Publications
2023. 1. 1.
Original Papers
- Theory of the  incommensurate-to-commensurate transition in long-period superlattices of A3B-type  alloys
 Y. Koyama and M. Ishimaru
 Physical Review B 41, 8522-8525 (1990).
-  Structural transitions in superconducting  oxides Ba-Pb-Bi-O
 Y. Koyama and M. Ishimaru
 Physical Review B 45, 9966-9975 (1992).
- Monte Carlo simulation of CuPt-type ordering  in off-stoichiometric III-V semiconductor alloys
 M. Ishimaru, S. Matsumura, N. Kuwano, and K. Oki
 Journal of Applied Physics 77, 2370-2374 (1995).
- Kinetics of CuPt-type ordered phase  formation in III-V semiconductor alloys during (001) epitaxial growth due to  step flow
 M. Ishimaru, S. Matsumura, N. Kuwano, and K. Oki
 Physical Review B 51, 9707-9714 (1995).
- Diffuse scattering in partially  ordered III-V semiconductor alloys
 M. Ishimaru, S. Matsumura, N. Kuwano, and K. Oki
 Physical Review B 52, 5154-5159 (1995).
- Application of empirical  interatomic potentials to liquid Si
 M. Ishimaru, K. Yoshida, and T. Motooka
 Physical Review B 53, 7176-7181 (1996).
- Molecular-dynamics study on  atomistic structures of liquid silicon
 M. Ishimaru, K. Yoshida, T. Kumamoto, and T. Motooka
 Physical Review B 54, 4638-4641 (1996).
- Microstructure of CuAu-I-type  ordered phase in III-V semiconductor alloys grown on a (001) substrate
 M. Ishimaru, S. Matsumura, N. Kuwano, and K. Oki
 Physical Review B 54, 10814-10819 (1996).
- Recrystallization of MeV Si  implanted 6H-SiC
 S. Harada, M. Ishimaru, T. Motooka, T. Nakata, T. Yoneda, and M. Inoue
 Applied Physics Letters 69, 3534-3536 (1996).
- Transmission electron microscopy  studies of crystal-to-amorphous transition in ion implanted silicon
 M. Ishimaru, S. Harada, and T. Motooka
 Journal of Applied Physics 81, 1126-1130 (1997).
- Homogeneous amorphization in  high-energy ion implanted Si
 T. Motooka, S. Harada, and M. Ishimaru
 Physical Review Letters 78, 2980-2982 (1997).
- Generation of amorphous silicon  structures by rapid quenching: A molecular-dynamics study
 M. Ishimaru, S. Munetoh, and T. Motooka
 Physical Review B 56, 15133-15138 (1997).
- 融液からのシリコン結晶成長過程における不純物原子の挙動:炭素原子
 吉田 興、隈元 崇、石丸 学、本岡輝昭、森口晃治、新谷 昭
 日本結晶成長学会誌 24, 412-417 (1997).
- Behavior of impurity atoms during  crystal growth from melted silicon: carbon atoms
 M. Ishimaru, S. Munetoh, T. Motooka, K. Moriguchi, and A. Shintani
 Journal of Crystal Growth 194, 178-188 (1998).
- Molecular-dynamics studies on  defect formation processes during crystal growth of silicon from melt
 M. Ishimaru, S. Munetoh, T. Motooka, K. Moriguchi, and A. Shintani
 Physical Review B 58, 12583-12586 (1998).
- High-dose oxygen ion implantation  into 6H-SiC
 M. Ishimaru, R.M. Dickerson, and K.E. Sickafus
 Applied Physics Letters 75, 352-354 (1999).
- Dose dependence of microstructural  evolution in oxygen-ion-implanted silicon carbide
 M. Ishimaru and K.E. Sickafus
 Applied Physics Letters 75, 1392-1394 (1999).
- Scanning transmission electron  microscopy-energy dispersive x-ray/electron energy loss spectroscopy studies on  SiC-on-insulator structures
 M. Ishimaru, R.M. Dickerson, and K.E. Sickafus
 Journal of the Electrochemical Society 147, 1979-1981 (2000).
- Ion-beam-induced spinel-to-rocksalt  structural phase transformation in MgAl2O4
 M. Ishimaru, I.V. Afanasyev-Charkin, and K.E. Sickafus
 Applied Physics Letters 76, 2556-2558 (2000).
- Radiation tolerance of complex  oxides
 K.E. Sickafus, L. Minervini, R.W. Grimes, J.A. Valdez, M. Ishimaru, F. Li, K.J. McClellan, and T.E. Hartmann
 Science 289, 748-751 (2000).
- Effect of heavy ion irradiation on  near-surface microstructure in single crystals of rutile TiO2
 F. Li, P. Lu, M. Ishimaru, and K.E. Sickafus
 Philosophical Magazine B 80, 1947-1954 (2000).
- Surface morphology of  ion-beam-irradiated rutile single crystals
 M. Ishimaru, Y. Hirotsu, F. Li, and K.E. Sickafus
 Applied Physics Letters 77, 4151-4153 (2000).
- On the stability of b-SiC  with respect to chemical disorder induced by irradiation with energetic  particles
 S. Grigull, M. Ishimaru, M. Nastasi, C.A. Zorman, and M. Mehregany
 Philosophical Magazine Letters 81, 55-61 (2001).
- Refractive indices of metastable  and amorphous phases in Ne+-ion irradiated magnesium-aluminate  spinel
 I.V. Afanasyev-Charkin, D.W. Cook, M. Ishimaru, B.L. Bennett, V.T. Gritsyna, J.R. Williams, and K.E. Sickafus
 Optical Materials 16, 397-402 (2001).
- 酸素イオン注入シリコンカーバイドにおける埋め込み絶縁層の構造解析
 石丸 学、大久保忠勝、弘津禎彦
 日本金属学会誌 65, 361-365 (2001).
- Molecular-dynamics study on  atomistic structures of amorphous silicon
 M. Ishimaru
 Journal of Physics: Condensed Matter 13, 4181-4189 (2001).
- Comment on "Molecular-dynamics  simulations of solid-phase epitaxy of Si: Growth mechanisms"
 M. Ishimaru
 Physical Review B 63, 237401-1-237401-3 (2001).
- Atomistic simulations of structural  relaxation processes in amorphous silicon
 M. Ishimaru
 Journal of Applied Physics 91, 686-689 (2002).
- Atomistic structures of metastable  and amorphous phases in ion-irradiated magnesium-aluminate spinel
 M. Ishimaru, Y. Hirotsu, I.V. Afanasyev-Charkin, and K.E. Sickafus
 Journal of Physics: Condensed Matter 14, 1237-1247 (2002).
- Interface formation and phase  distribution induced by Co/SiC solid state reactions
 C.S. Lim, J.S. Ho, J.H. Ryu, K.H. Auh, I.-T. Bae, M. Ishimaru, and Y. Hirotsu
 Materials Transactions 43, 1225-1229 (2002).
- Structural relaxation of amorphous  silicon carbide
 M. Ishimaru, I.-T. Bae, Y. Hirotsu, S. Matsumura, and K.E. Sickafus
 Physical Review Letters 89, 055502-1-055502-4 (2002).
- Electron microscopy study on  amorphous Ge-Sb-Te thin film for phase change optical recording
 M. Naito, M. Ishimaru, Y. Hirotsu, and M. Takashima
 Japanese Journal of Applied Physics 42, L1158-L1160 (2003).
- Electron-beam-induced amorphization  in SiC
 M. Ishimaru, I.-T. Bae, and Y. Hirotsu
 Physical Review B 68, 144102-1-144102-4 (2003).
- Molecular-dynamics study of  structural and dynamical properties of amorphous Si-Ge alloys
 M. Ishimaru, M. Yamaguchi, and Y. Hirotsu
 Physical Review B 68, 235207-1-235207-7 (2003).
- アモルファスSi1-xGex合金構造の分子動力学シミュレーション
 山口允裕、石丸 学、弘津禎彦
 日本金属学会誌 68, 70-73 (2004).
- Local structure analysis of  Ge-Sb-Te phase change materials using high-resolution electron microscopy and  nanobeam diffraction
 M. Naito, M. Ishimaru, Y. Hirotsu, and M. Takashima
 Journal of Applied Physics 95, 8130-8135 (2004).
- Solid phase epitaxy of amorphous  silicon carbide: Ion fluence dependence
 I.-T. Bae, M. Ishimaru, Y. Hirotsu, and K. E. Sickafus
 Journal of Applied Physics 96, 1451-1457 (2004).
- Structural relaxation of amorphous  silicon-germanium alloys: Molecular-dynamics study
 M. Ishimaru, M. Yamaguchi, and Y. Hirotsu
 Japanese Journal of Applied Physics 43, 7966-7970 (2004).
- Electron field emission from GaN  nanorod films grown on Si substrates with native silicon oxides
 T. Yamashita, S. Hasegawa, S. Nishida, M. Ishimaru, Y. Hirotsu, and H. Asahi
 Applied Physics Letters 86, 082109-1-082109-3 (2005).
- Structural characterization of  Cu-Ti-based bulk metallic glass by advanced electron microscopy
 M. Ishimaru, Y. Hirotsu, S. Hata, C. L. Ma, N. Nishiyama, K. Amiya, and A. Inoue
 Philosophical Magazine Letters 85, 125-133 (2005).
- Polymorphism in the ferromagnetic  GaCrN-diluted magnetic semiconductor: Luminescence and structural  investigations
 S. Shanthi, M. Hashimoto, Y. K. Zhou, S. Kimura, M. S. Kim, S. Emura, N. Hasuike, H. Harima, S. Hasegawa, M. Ishimaru, Y. Hirotsu, and H. Asahi
 Journal of Applied Physics 98, 013526-1-013526-8 (2005).
- Volume swelling of amorphous SiC  during ion-beam irradiation
 M. Ishimaru, I.-T. Bae, A. Hirata, Y. Hirotsu, J. A. Valdez, and K. E. Sickafus
 Physical Review B 72, 024116-1-024116-7 (2005).
- Dose dependence of  recrystallization processes in amorphous SiC
 I.-T. Bae, M. Ishimaru, and Y. Hirotsu
 Japanese Journal of Applied Physics 44, 6196-6200 (2005).
- Identification of soft phonon modes  in Ge-Sb-Te using electron diffraction
 M. Naito, M. Ishimaru, Y. Hirotsu, and M. Takashima
 Journal of Applied Physics 98, 034506-1-034506-4 (2005).
- Effect of implantation energy and  dose on low-dose SIMOX structures
 M. Tamura, K. Tokiguchi, H. Seki, M. Ishimaru, and H. Mori
 Applied Physics A: Materials Science and Processing 81, 1375-1383 (2005).
- Transmission electron  microscopy study on ion-beam synthesized amorphous Fe-Si thin films
 M. Naito, M. Ishimaru, Y. Hirotsu, J. A. Valdez, and K. E. Sickafus
 Applied Physics Letters 87, 241905-1-241905-3 (2005).
- Epitaxial growth of  ferromagnetic cubic GaCrN on MgO substrate
 S. Kimura, S. Subashchandran, Y. K. Zhou, M. S. Kim, S. Kobayashi, S. Emura, M. Ishimaru, Y. Hirotsu, S. Hasegawa, and H. Asahi
 Japanese Journal of Applied Physics 45, 76-78 (2006)
- Formation process of b-FeSi2/Si  heterostructure in high-dose Fe ion implanted Si
 M. Ishimaru, K. Omae, I.-T. Bae, M. Naito, Y. Hirotsu, J. A. Valdez, and K. E. Sickafus
 Journal of Applied Physics 99, 113527-1-113527-7 (2006).
- Solid phase  crystallization of amorphous Fe-Si layers synthesized by ion implantation
 M. Naito, M. Ishimaru, Y. Hirotsu, J. A. Valdez, and K. E. Sickafus
 Applied Physics Letters 88, 251904-1-251904-3 (2006).
- Transmission electron  microscopy study on FeSi2 nanoparticles synthesized by electron-beam  evaporation
 J. H. Won, K. Sato, M. Ishimaru, and Y. Hirotsu
 Journal of Applied Physics 100, 014307-1-014307-6 (2006).
- Annealing effect on structural  defects in low-dose separation-by-implanted-oxygen wafers
 M. Tamura, M. Ishimaru, K. Hinode, K. Tokiguchi, H. Seki, and H. Mori
 Japanese Journal of Applied Physics 45, 7592-7599 (2006).
- Synthesis of iron silicides by  electron-beam evaporation: Effects of substrate pre-baking temperature and Fe  deposition thickness
 J. H. Won, K. Sato, M. Ishimaru, and Y. Hirotsu
 Japanese Journal of Applied Physics 46, 732-737 (2007).
- Radiation-induced  amorphization resistance and radiation tolerance in structurally related oxides
 K. E. Sickafus, R. W. Grimes, J. A. Valdez, A. Cleave, M. Tang, M. Ishimaru, S. M. Corish, C. R. Stanek, and B. P. Uberuaga
 Nature Materials 6, 217-223 (2007).
- Effect of ionization rates on dynamic recovery processes during electron-beam irradiation of 6H-SiC
 I.-T. Bae, W. J. Weber, M. Ishimaru, and Y. Hirotsu
 Applied Physics Letters 90, 121910-1-121910-3 (2007).
- Surface sputtering in  high-dose Fe ion implanted Si
 M. Ishimaru
 Nuclear Instruments and Methods in Physics Research B 258, 490-492 (2007).
- Ion-beam-induced phase  transformations in d-Sc4Zr3O12
 M. Ishimaru, Y. Hirotsu, M. Tang, J. A. Valdez, and K. E. Sickafus
 Journal of Applied Physics 102, 063532-1-063532-7 (2007).
- Formation processes of iron  silicide nanoparticles studied by ex situ and in situ transmission electron  microscopy
 J. H. Won, A. Kovács, M. Naito, M. Ishimaru, and Y. Hirotsu
 Journal of Applied Physics 102, 103512-1-103512-7 (2007).
- Ionization-induced  effects in amorphous apatite at elevated temperatures
 I.-T. Bae, Y. Zhang, W. J. Weber, M. Ishimaru, Y. Hirotsu, and M. Higuchi
 Journal of Materials Research 23, 962-967 (2008).
- Low temperature thermal annealing-induced a-FeSi2 derived phase in an amorphous Si  matrix
 M. Naito, M. Ishimaru, Y. Hirotsu, J. A. Valdez, and K. E. Sickafus
 Applied Physics A: Materials Science and Processing 91, 353-356 (2008).
- Unexpectedly low  thermal conductivity in natural nanostructured bulk Ga2Te3
 K. Kurosaki, H. Matsumoto, A. Charoenphakdee, S. Yamanaka, M. Ishimaru, and Y. Hirotsu
 Applied Physics Letters 93, 012101-1-012101-3 (2008).
- Role of the triclinic  Al2Fe structure in the formation of the Al5Fe2-approximant
 A. Hirata, Y. Mori, M. Ishimaru, and Y. Koyama
 Philosophical Magazine Letters 88, 491-500 (2008).
- Direct observations of thermally induced  structural changes in amorphous silicon carbide
 M. Ishimaru, A. Hirata, M. Naito, I.-T. Bae, Y. Zhang, and W. J. Weber
 Journal of Applied Physics 104, 033503-1-033503-5 (2008).
- Electron  irradiation-induced phase transformation in a-FeSi2
 M. Naito, M. Ishimaru, J. A. Valdez, and K. E. Sickafus
 Journal of Applied Physics 104, 073524-1-073524-6 (2008).
- Ni  thin films vacuum-evaporated on polyethylene naphthalate substrates with and  without the application of magnetic field
 H. Kaiju, A. Ono, N. Kawaguchi, K. Kondo, A. Ishibashi, J. H. Won, A. Hirata, M. Ishimaru, and Y. Hirotsu
 Applied Surface Science 255, 3706-3712 (2009).
- Transmission electron  microscopy study of an  electron-beam-induced phase transformation of niobium nitride
 J. H. Won, J. A. Valdez, M. Naito, M. Ishimaru, and K. E. Sickafus
 Scripta Materialia 60, 799-802 (2009).
- Ultrashort-period lateral  composition modulation in TlInGaAsN/TlInP structures
 M. Ishimaru, Y. Tanaka, S. Hasegawa, H. Asahi, K. Sato, and T. J. Konno
 Applied Physics Letters 94, 153103-1-153103-3 (2009).
- Damage  profile and ion distribution of slow heavy ions in compounds
 Y. Zhang, I.-T. Bae, K. Sun, C. M. Wang, M. Ishimaru, Z. Zhu, W. Jiang, and W. J. Weber
 Journal of Applied Physics 105, 104901-1-104901-12 (2009).
- Ion-beam-induced  chemical disorder in GaN
 M. Ishimaru, Y. Zhang, and W. J. Weber
 Journal of Applied Physics 106, 053513-1-053513-4 (2009).
- Specific  surface effect on transport properties of NiO/MgO heterostructured nanowires
 K. Oka, T. Yanagida, K. Nagashima, H. Tanaka, S. Seki, Y. Honsho, M. Ishimaru, A. Hirata, and T. Kawai
 Applied Physics Letters 95, 133110-1-133110-3 (2009).
- Effect of  periodicity of the two-dimensional vacancy planes on the thermal conductivity  of bulk Ga2Te3 
 C.-E. Kim, K. Kurosaki, M. Ishimaru, D.-Y. Jung, H. Muta, and S. Yamanaka
 physica status solidi (RRL) 3, 221-223 (2009).
- Fabrication of Ni quantum cross devices with a 17 nm  junction and their current–voltage characteristics
 H. Kaiju, K. Kondo, A. Ono, N. Kawaguchi, J. H. Won, A. Hirata, M. Ishimaru, Y. Hirotsu, and A. Ishibashi
 Nanotechnology 21, 015301-1-015301-6 (2010).
- Damage and  microstructure evolution in GaN under Au ion irradiation
 Y. Zhang, M. Ishimaru, J. Jagielski, W. Zhang, Z. Zhu, L. V. Saraf, W. Jiang, L. Thome, and W. J. Weber
 Journal of Physics D: Applied Physics 43, 085303(1)-085303(9) (2010).
- Radiation-induced  metastable ordered phase in gallium nitride
 M. Ishimaru
 Applied Physics Letters 96, 191908(1)-191908(3) (2010).
- Direct observations of  Ge2Sb2Te5 recording marks in the phase-change  disk
 M. Naito, M. Ishimaru, Y. Hirotsu, R. Kojima, and N. Yamada
 Journal of Applied Physics 107, 103507(1)-103507(5) (2010).
- X-ray  photoelectron spectroscopy analysis of TlInGaAsN semiconductor system and their  annealing induced structural changes
 K. M. Kim, W.-B. Kim, D. Krishnamurthy, M. Ishimaru, H. Kobayashi, S. Hasegawa, and H. Asahi
 Journal of Applied Physics 108, 123524(1)-123524(4) (2010).
- Nanovoid  formation through the annealing of amorphous Al2O3 and WO3  films
 R. Nakamura, T. Shudo, A. Hirata, M. Ishimaru, and H. Nakajima
 Scripta Materialia 64, 197-200 (2011).
- Experimental evidence of homonuclear bonds in  amorphous GaN
 M. Ishimaru, Y. Zhang, X. Wang, W.-K. Chu, and W. J. Weber
 Journal of Applied Physics 109, 043512(1)-043512(4) (2011).
- High-temperature  thermoelectric properties of Cu2Ga4Te7 with  defect zinc-blende structure 
 T. Plirdpring, K. Kurosaki, A. Kosuga, M. Ishimaru, A. Harnwunggmoung, T. Sugahara, Y. Ohishi, H. Muta, and S. Yamanaka
 Applied Physics Letters 98, 172104(1)-172104(3) (2011).
- Nanovoid formation by  change in amorphous structure through the annealing of amorphous Al2O3  thin films
 M. Tane, S. Nakano, R. Nakamura, H. Ogi, M. Ishimaru, H. Kimizuka, and H. Nakajima
 Acta Materialia 59, 4631-4640 (2011).
- Transmission-electron  diffraction by MeV electron pulses
 Y. Murooka, N. Naruse, S. Sakakihara, M. Ishimaru, J. Yang, and K. Tanimura
 Applied Physics Letters 98, 251903(1)-251903(3) (2011).
- Enhancement of nanovoid  formation in annealed amorphous Al2O3 including W
 R. Nakamura, M. Ishimaru, A. Hirata, K. Sato, M. Tane, H. Kimizuka, T. Shudo, T. J. Konno, and H. Nakajima
 Journal of Applied Physics 110, 064324(1)-064324(7) (2011).
- Superlattice-like  stacking fault array in ion-irradiated GaN
 M. Ishimaru, I. O. Usov, Y. Zhang, and W. J. Weber
 Philosophical Magazine Letters 92, 49-55 (2012).
- Self-elongated  growth of nanopores in annealed amorphous Ta2O5 films
 R. Nakamura, K. Tanaka, M. Ishimaru, K. Sato, T. J. Konno, and H. Nakajima
 Scripta Materialia 66, 182-185 (2012).
- Read/write  characteristics of a new type of bit-patterned-media using nano-patterned  glassy alloy
 K. Takenaka, N. Saidoh, N. Nishiyama, M. Ishimaru, M. Futamoto, and A. Inoue
 Journal of Magnetism and Magnetic Materials 324, 1444-1448 (2012).
- High-temperature  thermoelectric properties of Cu2In4Te7
 T. Plirdpring, K. Kurosaki, A. Kosuga, M. Ishimaru, Y. Ohishi, H. Muta, and S. Yamanaka
 physica status solidi (RRL) 6, 154-156 (2012).
- Fabrication  of nickel/organic-molecules/nickel nanoscale junctions utilizing thin-film  edges and their structural and electrical properties 
 H. Kaiju, K. Kondo, N. Basheer, N. Kawaguchi, S. White, A. Hirata, M. Ishimaru, Y. Hirotsu, and A. Ishibashi
 Japanese Journal of Applied Physics 51, 065202(1)-065202(8) (2012).
- Effect of the amount of  vacancies on the thermoelectric properties of Cu-Ga-Te ternary compounds
 T. Plirdpring, K. Kurosaki, A. Kosuga, M. Ishimaru, A. Harnwunggmoung, T. Sugahara, Y. Ohishi, H. Muta, and S. Yamanaka
 Materials Transactions 53, 1212-1215 (2012).
- Enhancement of  thermoelectric properties of CoSb3-based skutterudites by double  filling of Tl and In
 A. Harnwunggmoung, K. Kurosali, A. Kosuga, M. Ishimaru, T. Plirdpring, R. Yimnirun, J. Jutimoosik, S. Rujirawat, Y. Ohishi, H. Muta, and S. Yamanaka
 Journal of Applied Physics 112, 043509(1)-043509(6) (2012).
- Strong atomic ordering  in Gd-doped GaN
 M. Ishimaru, K. Higashi, S. Hasegawa, H. Asahi, K. Sato, and T. J. Konno
 Applied Physics Letters 101, 101912(1)-101912(4) (2012).
- Nanoscale engineering of radiation tolerant silicon carbide
 Y. Zhang, M. Ishimaru, T. Varga, T. Oda, C. Hardiman, H. Xue, Y. Katoh,S. Shannon, and W. J. Weber
 Physical Chemistry Chemical Physics 14, 13429-13436 (2012).
- Direct imaging of  atomic clusters in an amorphous matrix: a Co-C granular thin film
 K. Sato, M. Mizuguchi, R. Tang, J.-G. Kang, M. Ishimaru, K. Takanashi, and T. J. Konno
 Applied Physics Letters 101, 191902(1)-191902(3) (2012).
- Coherent  growth of GaGdN layers with high Gd concentration on GaN(0001)
 K. Higashi, S. Hasegawa, D. Abe, Y. Mitsuno, S. Komori, F. Ishikawa, M. Ishimaru, and H. Asahi
 Applied Physics Letters 101, 221902(1)-221902(4) (2012).
- Atomic  rearrangements in amorphous Al2O3 under electron-beam  irradiation 
 R. Nakamura, M. Ishimaru, H. Yasuda, and H. Nakajima
 Journal of Applied Physics 113, 064312(1)-064312(7) (2013).
- Origin  of radiation tolerance in 3C-SiC with nanolayered planar defects
 M. Ishimaru, Y. Zhang, S. Shannon, and W. J. Weber
 Applied Physics Letters 103, 033104(1)-033104(4) (2013).
- Formation of highly  oriented nanopores via crystallization of amorphous Nb2O5  and Ta2O5
 R. Nakamura, M. Ishimaru, K. Sato, K. Tanaka, H. Nakajima, and T. J. Konno
 Journal of Applied Physics 114, 124308(1)-124308(6) (2013).
- Structure analysis of composition modulation in  epitaxially-grown III-V semiconductor alloys 
 M. Ishimaru, S. Hasegawa, H. Asahi, K. Sato, and T. J. Konno
 Japanese Journal of Applied Physics 52, 110120(1)-110120(6) (2013).
- Ion  tracks and microstructures in barium titanate irradiated with swift heavy ions:  A combined experimental and computational study
 W. Jiang, R. Devanathan, C. J. Sundgren, M. Ishimaru, K. Sato, T. Varga, S. Manandhar, and A. Benyagoub
 Acta Materialia 61, 7904-7916 (2013).
- Thermoelectric  properties of Au nanoparticle-supported Sb1.6Bi0.4Te3  synthesized by a g-ray irradiation method
 D. Jung, K. Kurosaki, S. Seino, M. Ishimaru, K. Sato, Y. Ohishi, H. Muta, and S. Yamanaka
 physica status solidi (b) 251, 162-167 (2014).
- Ion  beam induced epitaxial crystallization of a-Al2O3 at room  temperature
 Y. Sina, M. Ishimaru, C. J. McHargue, E. Alves, and K. E. Sickafus
 Nuclear Instruments and Methods in Physics Research B 321, 8-13 (2014).
- Stability of amorphous  Ta-O nanotubes prepared by anodization: Thermal and structural analyses
 R. Nakamura, K. Asano, M. Ishimaru, K. Sato, M. Takahashi, H. Numakura
 Journal of Materials Research 29, 753-760 (2014).
- Diffusion of oxygen in  amorphous Al2O3, Ta2O5, and Nb2O5
 R. Nakamura, T. Toda, S. Tsukui, M. Tane, M. Ishimaru, T. Suzuki, and H. Nakajima
 Journal of Applied Physics 116, 033504(1)-033504(8) (2014).
- Ultraviolet Raman  spectra of few nanometer thick silicon-on-insulator nanofilms: Lifetime reduction  of confined phonons
 V. Poborchii, Y. Morita, M. Ishimaru, and T. Tada
 Applied Physics Letters 105, 153112(1)-153112(4) (2014).
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Bottom-up  nanostructured bulk silicon: A practical high-efficiency thermoelectric  material
 A. Yusufu, K. Kurosaki, Y. Miyazaki, M. Ishimaru, A. Kosuga, Y. Ohishi, H. Muta, and S. Yamanaka
 Nanoscale 6, 13921-13927 (2014).
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Corundum-to-spinel  structural phase transformation in alumina
 S. Adachi, M. Ishimaru, Y. Sina, C. J. McHargue, K. E. Sickafus, and E. Alves
 Nuclear Instruments and Methods in Physics Research B 358, 136-141 (2015).
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Atomistic structures of  nano-engineered SiC and radiation-induced amorphization resistance
 K. Imada, M. Ishimaru, K. Sato, H. Xue, Y. Zhang, S. Shannon, and W. J. Weber
 Journal of Nuclear Materials 465, 433-437 (2015).
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Carrier and heat  transport properties of polycrystalline GeSn films on SiO2
 N. Uchida, T. Maeda, R. R. Lieten, S. Okajima, Y. Ohishi, R. Takase, M. Ishimaru, and J.-P. Locquet
 Applied Physics Letters 107, 232105(1)-232105(5) (2015).
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  Influence of matching  field on critical current density and irreversibility temperature in YBa2Cu3O7  films with BaMO3 (M=Zr, Sn, Hf) nanorods
 T. Horide, K. Taguchi, K. Matsumoto, N. Matsukida, M. Ishimaru, P. Mele, and R. Kita
 Applied Physics Letters 108, 082601(1)-082601(5) (2016).
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Structural transition  in sputter-deposited amorphous germanium films by aging at ambient temperature
 M. Okugawa, R. Nakamura, M. Ishimaru, K. Watanabe, H. Yasuda, and H. Numakura
 Journal of Applied Physics 119, 214309(1)-214309(7) (2016).
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Role of nanoscale  precipitates for enhancement of thermoelectric properties of heavily P-doped  Si-Ge alloys
 A. Yusufu, K. Kurosaki, Y. Miyazaki, M. Ishimaru, A. Kosuga, Y. Ohishi, H. Muta, and S. Yamanaka
 Materials Transactions 57, 1070-1075 (2016).
- 
Amorphization  resistance of nano-engineered SiC under heavy ion irradiation
 K. Imada, M. Ishimaru, H. Xue, Y. Zhang, S. Shannon, and W. J. Weber
 Journal of Nuclear Materials 478, 310-314 (2016).
- 
Discovery of Pt based  superconductor LaPt5As
 M. Fujioka, M. Ishimaru, T. Shibuya, Y. Kamihara, C. Tabata, H. Amitsuka, A. Miura, M. Tanaka, Y. Takano, H. Kaiju, and J. Nishi
 Journal of the American Chemical Society 138, 9927-9934 (2016).
- 
Crystallization of  sputter-deposited amorphous Ge films by electron irradiation: Effect of  low-flux pre-irradiation
 M. Okugawa, R. Nakamura, M. Ishimaru, H. Yasuda, and H. Numakura
 Journal of Applied Physics 120, 134308(1)-134308(7) (2016).
- 
Thermal crystallization  of sputter-deposited amorphous Ge films: Competition of diamond cubic and  hexagonal phases
 M. Okugawa, R. Nakamura, M. Ishimaru, H. Yasuda, and H. Numakura
 AIP Advances 6, 125035(1)-125035(9) (2016).
- 
Behavior of Sn atoms in  GeSn thin films during thermal annealing: Ex-situ and in-situ observations
 R. Takase, M. Ishimaru, N. Uchida, T. Maeda, K. Sato, R. R. Lieten, and J.-P. Locquet
 Journal of Applied Physics 120, 245304(1)-245304(9) (2016).
- 
アモルファスGeにおける構造緩和過程の分子動力学法による解析 
 今林重貴、石丸 学 日本金属学会誌 81, 66-70 (2017).
- 
Pin potential effect on vortex pinning in YBa2Cu3O7-δ  films containing nanorods: Pin size effect and mixed pinning
 T. Horide, N. Matsukida, M. Ishimaru, R. Kita, S. Awaji, and K. Matsumoto
 Applied Physics Letters 110, 052601(1)-052601(5) (2017).
- 
Molecular dynamics  study on structural relaxation processes in amorphous germanium
 S. Imabayashi and M. Ishimaru
 Materials Transactions 58, 857-861 (2017).
- 
Strong c-axis correlated pinning and hybrid  pinning in YBa2Cu3O7-δ films containing BaHfO3  nanorods and stacking faults
 T. Horide, K. Otsubo, R. Kita, N. Matsukida, M. Ishimaru, S. Awaji, and K. Matsumoto
 Superconductor Science and Technology 30, 074009 (8pages) (2017).
- 
Helium irradiation and implantation effects on  the structure of amorphous silicon oxycarbide
 Q. Su, S. Inoue, M. Ishimaru, J. Gigax, T. Wang, H. Ding, M. Demkowicz, L. Shao, and M. Nastasi
 Scientific Reports 7, 3900 (8 pages) (2017).
- 
Low-temperature synthesis of  crystalline GeSn with high Sn concentration by electron excitation effect
 T. Kimura, M. Ishimaru, M. Okugawa, R. Nakamura, and H. Yasuda
 Japanese Journal of Applied Physics 56, 100307 (3 pages) (2017).
- 
Formation of metastable  phases in Zr-ion-irradiated Al2O3 upon thermal annealing
 N. Oka, M. Ishimaru, M. Tane, Y. Sina, C. J. McHargue, K. E. Sickafus, and E. Alves
 Microscopy 66, 388–396 (2017).
- 
Proton-driven  intercalation and ion substitution utilizing solid-state electrochemical  reaction
 M. Fujioka, C. B. Wu, N. Kubo, C. Y. Zhao, A. Inoishi, S. Okada, S. Demura, H. Sakata, M. Ishimaru, H. Kaiju, and J. Nishii
 Journal of the American Chemical Society 139, 17987–17993 (2017).
- 
Geometric and  compositional factors on critical current density in YBa2Cu3O7-d films containing nanorods
 T. Horide, S. Nagao, R. Izutsu, M. Ishimaru, R. Kita, and K. Matsumoto
 Superconductor Science and Technology 31, 065012 (8 pages) (2018).
- 
Molecular-dynamics  simulations of solid phase epitaxy in silicon: Effects of system size,  simulation time, and ensemble
 K. Kohno and M. Ishimaru
 Japanese Journal of Applied Physics 57, 095503 (7 pages) (2018).
- 
Structure of  crystallized particles in sputter-deposited amorphous germanium films
 M. Okugawa, R. Nakamura, A. Hirata, M. Ishimaru, H. Yasuda, and H. Numakura
 Journal of Applied Crystallography 51, 1467-1473 (2018).
- 
Chalcopyrite ZnSnSb2:  A promising thermoelectric material
 A. Nomura, S. Choi, M. Ishimaru, A. Kosuga, T. Chasapis, S. Ohno, G. J. Snyder, Y. Ohishi, H. Muta, S. Yamanaka, and K. Kurosaki
 ACS Applied Materials and Interfaces 10, 43682-43690 (2018).
- 
Non-local  self-organization of long stacking faults from highly strained nanocomposite  film of complex oxide
 T. Horide, M. Ishimaru, K. Sato, and K. Matsumoto
 Physical Review Materials 3, 013403 (7 pages) (2019).
- 
Compositional effects  on radiation tolerance of amorphous silicon oxycarbide
 S. Mizuguchi, S. Inoue, M. Ishimaru, Q. Su, and M. Nastasi
 Journal of Nuclear Materials 518, 241-246 (2019).
- 
Direct observations of  crystallization processes of amorphous GeSn during thermal annealing: A  temperature window for suppressing Sn segregation
 M. Higashiyama, M. Ishimaru, M. Okugawa, and R. Nakamura
 Journal of Applied Physics 125, 175703 (8 pages) (2019).
- 
Observation of  inhomogeneous depinning in YBa2Cu3O7 composite  multilayers
 T. Horide, M. Ishimaru, and K. Matsumoto
 Superconductor Science and Technology 32, 085001 (8 pages) (2019).
- 
Thermoelectric property  in orthorhombic-domained SnSe film
 T. Horide, Y. Murakami, Y. Hirayama, M. Ishimaru, and K. Matsumoto
 ACS Applied Materials and Interfaces 11, 27057-27063 (2019).
- 
成膜温度を変化させて作製したYBa2Cu3O7+BaHfO3薄膜の磁束ピンニング特性 
 堀出朋哉、鳥越健太、喜多隆介、中村亮太、石丸 学、淡路 智、松本 要
 日本金属学会誌 83, 320-326 (2019).
- 
スパッタリング法によるアモルファスFe-B合金薄膜の作製と透過型電子顕微鏡による構造解析 
 仲村龍介、半谷祐樹、石丸 学、和田 武
 鉄と鋼 105, 1017-1021 (2019).
- 
Application of the  Tersoff interatomic potential to pressure-induced polyamorphism of silicon
 R. Mukuno and M. Ishimaru
 Japanese Journal of Applied Physics 58, 101006 (4 pages) (2019).
- 
Carrier and heat  transport properties of poly-crystalline GeSn films for thin-film transistor  applications
 N. Uchida, J. Hattori, R. R. Lieten, Y. Ohishi, R. Takase, M. Ishimaru, K. Fukuda, T. Maeda, and J.-P. Locquet
 Journal of Applied Physics 126, 145105 (8 pages) (2019).
- Deposition-temperature dependence of vortex pinning property in YBa2Cu3O7+BaHfO3 films
 T. Horide, K. Torigoe, R. Kita, M. Ishimaru, S. Awaji, and K. Matsumoto
 Materials Transactions 61, 449-454 (2020).
- Liquid-mediated crystallization of amorphous GeSn under electron beam irradiation
 K. Inenaga, R. Motomura, M. Ishimaru, R. Nakamura, and H. Yasuda
 Journal of Applied Physics 127, 205304 (9 pages) (2020).
- Dual crystallization modes of sputter-deposited  amorphous SiGe films
 M. Okugawa, R. Nakamura, H. Numakura, M. Ishimaru, and H. Yasuda
 Journal of Applied Physics 128, 015303 (9 pages) (2020).
- Effects of hydrogen on structure and crystallization behavior of sputter-deposited amorphous germanium films
 Y. Hanya, R. Nakamura, M. Okugawa, M. Ishimaru, G. Oohata, and H. Yasuda
 Japanese Journal of Applied Physics 59, 075506 (7 pages) (2020).
- Simultaneous achievement of high Jc and suppressed Jc anisotropy by hybrid pinning  in YBa2Cu3O7 three-phase-nanocomposite film
 T. Horide, K. Torigoe, M. Ishimaru, R. Kita, S. Awaji, and K. Matsumoto
 Superconductor Science and Technology 33, 105003 (8 pages) (2020).
- Combined effect of nanorod and stacking fault for  improving nanorod interface in YBa2Cu3O7-δ nanocomposite films
 T. Horide, M. Ishimaru, K. Sato, and K. Matsumoto
 Superconductor Science and Technology 33, 115001 (10 pages) (2020).
- Dual-beam irradiation stability of amorphous silicon  oxycarbide at 300 and 500 oC (invited)
 Q. Su, G. Greaves, S. E. Donnelly, S. Mizuguchi, M. Ishimaru, and M. Nastasi
 JOM 72, 4002–4007 (2020).
- Nanostructures and flux pinning properties in YBa2Cu3O7-y thin films with double perovskite Ba2LuNbO6 nanorods
 M. Gondo, M. Yoshida, Y. Yoshida, M. Ishimaru, T. Horide, K. Matsumoto, and R. Kita
 Journal of Applied Physics 129, 195301 (8 pages) (2021).
- Explosive crystallization of sputter-deposited amorphous germanium films by irradiation with an electron beam of SEM-level energies
 R. Nakamura, A. Matsumoto, and M. Ishimaru
 Journal of Applied Physics 129, 215301 (6 pages) (2021).
- Thermoelectric property of n-type bismuth-doped SnSe film: Influence of characteristic film defect
 T. Horide, K. Nakamura, Y. Hirayama, K. Morishita, M. Ishimaru, and K. Matsumoto
 ACS Applied Energy Materials 4, 9563-9571 (2021).
- Enhancement of thermoelectric properties of n-type Bi2Te3-xSex by energy filtering effect
 Y. Kawajiri, S.-A. Tanusilp, M. Kumagai, M. Ishimaru, Y. Ohishi, J. Tanaka, and K. Kurosaki
 ACS Applied Energy Materials 4, 11819–11826 (2021).
- Electron diffraction radial distribution function analysis of amorphous boron carbide synthesized by ion beam irradiation and chemical vapor deposition
 M. Ishimaru, R. Nakamura, Y. Zhang, W. J. Weber, G. G. Peterson, N. J. Ianno, and M. Nastasi
 Journal of the European Ceramic Society 42, 376-382 (2022).
- Aligned self-organization induced by epitaxial stress and shear deformation in Jahn-Teller spinel ZnMnGaO4
 T. Horide, K. Morishita, Y. Horibe, M. Usuki, M. Ishimaru, and K. Matsumoto
 The Journal of Physical Chemistry C 126, 806–814 (2022).
- Impact of annealing on electric and elastic properties of 10-nm Hf0.5Zr0.5O2 films prepared on Si by sputtering
 L. Bolotov, S. Migita, R. Fujio, M. Ishimaru, S. Hatayama, and N. Uchida
 Microelectronic Engineering 258, 111770 (10 pages) (2022).
- Self-organized nanocomposite structure controlled by elemental site occupancy for improving vortex pinning in YBa2Cu3O7 superconducting films
 T. Horide, Y. Yoshida, R. Kita, M. Gondo, M. Ishimaru, and K. Matsumoto
 ACS Applied Electronic Materials 4, 3018-3026 (2022).
- Anomalous structural phase transformation in swift heavy ion-irradiated δ-Sc4Hf3O12
 M. Iwasaki, Y. Kanazawa, D. Manago, M. K. Patel, G. Baldinozzi, K. E. Sickafus, and M. Ishimaru
 Journal of Applied Physics 132, 075901 (8 pages) (2022).
- Investigation of nanoscale phase formation in rapidly solidified Fe20Co20Ni20Cr20B20-xSix alloys
 Y. Zhang, K. Inoue, M. Ishimaru, T. Tokunaga, and H. Era
 Materials Transactions 63, 1211-1216 (2022).
Proceedings
- 
An electron diffraction study of  superconducting oxides BaPb1-xBixO3 and Ba1-xKxBiO3
 Y. Koyama and M. Ishimaru
 Proceedings of the XIIth International Congress for Electron Microscopy, vol. 4, 82-83 (1990).
- 
Structural transitions in Ba1-xMxBiO3 (M=K, Rb)
 S. Nakamura, Y. Koyama, and M. Ishimaru
 Physica C 185-189, 695-696 (1991).
- 
Monte Carlo simulation of  long-range ordering in (001) epitaxial growth of alloy semiconductors
 S. Matsumura, K. Takano, M. Ishimaru, N. Kuwano, and K. Oki
 10th Symposium Record of Alloy Semiconductor Physics and Electronics, 185-192 (1991).
- 
Analysis of L11 ordering process in III-V semiconductor alloys with  surface step by the Ising model for epitaxial growth
 M. Ishimaru, S. Matsumura, N. Kuwano, and K. Oki
 11th Symposium Record of Alloy Semiconductor Physics and Electronics, 189-194 (1992).
- 
Atomic ordering and clustering in the epitaxial growth of III-V semiconductor alloys studied by Monte Carlo  simulations
 M. Ishimaru, S. Matsumura, N. Kuwano, and K. Oki
 Computer Aided Innovation of New Materials II, 367-370 (1993).
- 
Structural transitions in BKB and BRB
 S. Nakamura, Y. Koyama, and M. Ishimaru
 Phase Transitions 41, 243-247 (1993).
- 
Monte Carlo simulation of L11-type ordering due to  surface step migration in the epitaxial growth of III-V semiconductor alloys
 M. Ishimaru, S. Matsumura, N. Kuwano, and K. Oki
 Journal of Crystal Growth 128, 499-502 (1993).
- 
Domain structure of CuPt-type  ordered phase in III-V semiconductor alloys
 M. Ishimaru, S. Matsumura, N. Kuwano, and K. Oki
 12th Symposium Record of Alloy Semiconductor Physics and Electronics, 99-104 (1993).
- 
Monte Carlo simulation of CuAu-I  type ordering during (001) epitaxial growth of III-V semiconductor alloys
 M. Ishimaru, S. Matsumura, N. Kuwano, and K. Oki
 13th Symposium Record of Alloy Semiconductor Physics and Electronics, 125-128 (1994).
- 
Macrodefect formation in  semiconductors during high energy ion implantation: Monte Carlo simulation of  damage depth distributions
 S.A. Fedotov, V.S. Varichenko, A.M. Zaitsev, M. Ishimaru, Y. Hiroyama, and T. Motooka
 Materials Science and Engineering B 29, 202-205 (1995).
- 
Molecular dynamics simulation of  stable defect formation in Si via Coulomb explosion
 S.A. Fedotov, M. Ishimaru, Y. Hiroyama, T. Motooka, and A.M. Zaitsev
 Nuclear Instruments and Methods in Physics Research B 118, 724-727 (1996).
- 
Amorphization and solid phase  epitaxy of high-energy ion implanted 6H-SiC
 M. Ishimaru, S. Harada, T. Motooka, T. Nakata, T. Yoneda, and M. Inoue
 Nuclear Instruments and Methods in Physics Research B 127/128, 195-197 (1997).
- 
Defects formation during crystal  growth from melted silicon
 T. Motooka, M. Ishimaru, and S. Munetoh
 Proceedings of the Second Symposium on Atomic-Scale Surface and Interface Dynamics, 91-96 (1998).
- 
Dose dependence of  recrystallization process in MeV Si implanted 6H-SiC
 S. Harada, M. Ishimaru, T. Motooka, T. Nakata, T. Yoneda, and M. Inoue
 Proceedings of The Asian Science Seminar on New Direction in Transmission Electron Microscopy and Nano-characterization of Materials, 317-321 (1998).
- 
Microstructural and compositional  characterization of SiC-on-insulator structures
 M. Ishimaru, R.M. Dickerson, and K.E. Sickafus
 Proceedings of Microscopy and Microanalysis 99, 770-771 (1999).
- 
Molecular dynamics simulations of  crystal growth from melted silicon: Defect formation processes
 M. Ishimaru and T. Motooka
 Proceedings of Materials Research Society Symposium 538 “Symposium J - Multiscale Modelling of Materials”, 247-250 (1999).
- 
Microstructural evolution of oxygen  implanted silicon during annealing processes
 M. Ishimaru, T. Tsunemori, S. Harada, M. Arita, and T. Motooka
 Nuclear Instruments and Methods in Physics Research B 148, 311-316 (1999).
- 
Damage evolution in Xe-ion  irradiated rutile (TiO2) single crystals
 F. Li, M. Ishimaru, P. Lu, I.V. Afanasyev-Charkin, and K.E. Sickafus
 Nuclear Instruments and Methods in Physics Research B 166/167, 314-321 (2000).
- 
Ion beam synthesis of buried oxide  layers in silicon carbide
 M. Ishimaru, R.M. Dickerson, and K.E. Sickafus
 Nuclear Instruments and Methods in Physics Research B 166/167, 390-394 (2000).
- 
Effect of He+ ion  implantation on optical and structural properties of MgAl2O4
 I.V. Afanasyev-Charkin, D.W. Cooke, V.T. Gritsyna, M. Ishimaru, and K.E. Sickafus
 Vacuum 58, 2-9 (2000).
- 
Atomistic simulations of defect  formation processes during crystallization of melted silicon
 M. Ishimaru TMS Conference Proceedings, EPD Congress 2001, 327-357 (2001).
- 
Atomic-scale structures of  amorphous silicon: A molecular-dynamics study
 M. Ishimaru
 Proceedings of the 25th International Conference on the Physics of Semiconductors, 1483-1484 (2001).
- 
Optical and ion channeling analyses  of point defect accumulation in spinel and cubic zirconia due to ion  irradiation
 I.V. Afanasyev-Charkin, V.T. Gtitsyna, D.W. Cooke, M. Ishimaru, B.L. Bennett, and K.E. Sickafus
 Proceedings of The Fourth Pacific Rim International Conference on Advanced Materials and Processing, vol. 2, 2967-2969 (2001).
- 
Amorphous structures of buried  oxide layer in SiC-on-insulator wafer (invited)
 M. Ishimaru
 Journal of Electronic Materials 30, 1489-1492 (2001).
- 
Application of nano-diffraction to  local atomic distribution function analysis of amorphous materials (invited)
 Y. Hirotsu, M. Ishimaru, T. Ohkubo, T. Hanada, and M. Sugiyama
 Journal of Electron Microscopy 50, 435-442 (2001).
- 
lectron-irradiation-induced  amorphization in 6H-SiC by 300 keV transmission electron microscopy equipped  with a field emission gun
 I.-T. Bae, M. Ishimaru, and Y. Hirotsu
 Materials Science Forum 389-393 “Silicon Carbide and Related Materials 2001”, 467-470 (2002).
- 
In  situ x-ray diffraction analysis of  disorder and strain in ion implanted ceramic thin films
 S. Grigull, M. Ishimaru, M. Nastasi, C.A. Zorman, and M. Mehreguny
 Advances in X-ray Analysis 44, 308-313 (2002).
- 
Atomistic structures of Ge-Sb-Te  thin film
 M. Naito, M. Ishimaru, T. Ohkubo, Y. Hirotsu, and M. Takashima
 Proceedings of the 15th International Congress for Electron Microscopy, vol. 1, 981-982 (2002).
- 
Characterization of Fe-based L10-type ordered alloy  nanoparticles (invited)
 Y. Hirotsu, K. Sato, and M. Ishimaru
 Proceedings of Seminar on Nanotechnology for Fabrication of Hybrid Materials and 4th Japanese-Polish Joint Seminar on Materials Analysis 29-32 (2002).
- 
Amorphous structure of phase change  optical recording media Ge-Sb-Te thin film
 M. Naito, M. Ishimaru, Y. Hirotsu, and M. Takashima
 Proceedings of Seminar on Nanotechnology for Fabrication of Hybrid Materials and 4th Japanese-Polish Joint Seminar on Materials Analysis 93-96 (2002).
- 
Characterization of  ion-beam-induced amorphous structures by advanced electron microscopy
 M. Ishimaru, I.-T. Bae, T. Ohkubo, Y. Hirotsu, and K.E. Sickafus
 Nuclear Instruments and Methods in Physics Research B 190, 882-886 (2002).
- 
Transmission electron microscopy  study on ion-beam-induced amorphous SiC
 I.-T. Bae, M. Ishimaru, Y. Hirotsu, S. Matsumura, and K.E. Sickafus
 Proceedings of the 6th Seminar on Core University Program between Japan and Korea, 123 (2002).
- 
Ion dose dependence on solid phase epitaxy of  amorphous silicon carbide induced by ion implantation
 I.-T. Bae, M. Ishimaru, and Y. Hirotsu
 Proceedings of Materials Research Society Symposium 742 “Symposium K - Silicon Carbide - Materials, Processing, and Devices”, 67-72 (2003).
- 
Radial distribution functions of  amorphous silicon carbide
 M. Ishimaru, I.-T. Bae, and Y. Hirotsu
 Proceedings of Materials Research Society Symposium 742 “Symposium K - Silicon Carbide - Materials, Processing, and Devices”, 73-77 (2003).
- 
Effects of additive element and  particle size on the atomic ordering temperature of L10-FePt nanoperticles
 K. Sato, M. Fujiyoshi, M. Ishimaru, and Y. Hirotsu
 Scripta Materialia 48, 921-927 (2003).
- 
Effects of surface step and  substrate temperature on microstructure of L10-FePt  nanoparticles
 K. Sato, T. Kajiwara, M. Fujiyoshi, M. Ishimaru, Y. Hirotsu, and T. Shinohara
 Journal of Applied Physics 93, 7414-7416 (2003).
- 
Ion-beam-induced amorphous  structures in silicon carbide
 I.-T. Bae, M. Ishimaru, Y. Hirotsu, S. Matsumura, and K.E. Sickafus
 Nuclear Instruments and Methods in Physics Research B 206, 974-978 (2003).
- 
Amorphous structures of silicon carbonitride formed by  high-dose nitrogen ion implantation into silicon carbide
 M. Ishimaru, M. Naito, Y. Hirotsu, and K.E. Sickafus
 Nuclear Instruments and Methods in Physics Research B 206, 994-998 (2003).
- 
Electron diffraction structure  analysis for amorphous materials (invited)
 Y. Hirotsu, T. Ohkubo, I.-T. Bae, and M. Ishimaru
 Materials Chemistry and Physics 81, 360-363 (2003).
- 
    Structural analysis of as-sputterd  and melt-quenched Ge-Sb-Te thin film
 M. Naito, M. Ishimaru, Y. Hirotsu, and M. Takashima
 Proceedings of 8th Asia-Pacific Conference on Electron Microscopy, 608-609 (2004).
- 
Effects of amorphous structures on  recrystallization of silicon carbide
 I.-T. Bae, M. Ishimaru, Y. Hirotsu and K. E. Sickafus
 Proceedings of 8th Asia-Pacific Conference on Electron Microscopy, 694-695 (2004).
- 
Epitaxially-grown a-FeSi2  nano-particle synthesized by electron beam deposition
 J. H. Won, K. Sato, M. Ishimaru and Y. Hirotsu
 Proceedings of 8th Asia-Pacific Conference on Electron Microscopy, 813-814 (2004).
- 
Fabrication and characterization of  FeSi2 nanoparticles on Si(100) substrate
 J. H. Won, K. Sato, M. Ishimaru and Y. Hirotsu
 Proceedings of the International Conference on New Frontiers of Process Science and Engineering in Advanced Materials, 47-51 (2004).
- 
Atomistic structures of amorphous  Si1-xGex alloys: A  molecular-dynamics study
 M. Yamaguchi, M. Ishimaru, and Y. Hirotsu
 Transactions of the Materials Research Society of Japan 29, 3771-3774 (2004).
- 
Local structural change of  amorphous Ge-Sb-Te thin film on annealing
 M. Naito, M. Ishimaru, Y. Hirotsu, and M. Takashima
 Journal of Non-Crystalline Solids 345/346, 112-115 (2004).
- 
Chemical short range order in  ion-beam-induced amorphous SiC: Irradiation temperature dependence
 M. Ishimaru, I.-T. Bae, A. Hirata, Y. Hirotsu, J. A. Valdez, and K. E. Sickafus
 Nuclear Instruments and Methods in Physics Research B 242, 473-475 (2006).
- 
Structural characterization of iron  silicides nanoparticles grown on Si substrate: Annealing rate dependence
 J. H. Won, K. Sato, M. Ishimaru, and Y. Hirotsu
 Journal of Materials Science 41, 2611-2614 (2006).
- 
Structural  investigation of Ge-Sb-Sn thin film using transmission electron microscopy
 M. Naito, M. Ishimaru, Y. Hirotsu, M. Takashima, and H. Matsumoto
 Journal of Materials Science 41, 2615-2619 (2006).
- 
Structural  characterization of amorphous Fe-Si and its recrystallized layers
 M. Naito, M. Ishimaru, Y. Hirotsu, J. A. Valdez, and K. E. Sickafus
 Nuclear Instruments and Methods in Physics Research B 250, 283-286 (2006).
- 
Structural evolution in Fe ion implanted Si  upon thermal annealing
 K. Omae, I.-T. Bae, M. Naito, M. Ishimaru, Y. Hirotsu, J. A. Valdez, and K. E. Sickafus
 Nuclear Instruments and Methods in Physics Research B 250, 300-302 (2006).
- 
Electron-beam radial  distribution analysis of ion-beam-induced amorphous SiC (invited)
 M. Ishimaru
 Nuclear Instruments and Methods in Physics Research B 250, 309-314 (2006).
- 
Structural changes of SiC under  electron-beam irradiation: Temperature dependence
 I.-T. Bae, M. Ishimaru, and Y. Hirotsu
 Nuclear Instruments and Methods in Physics Research B 250, 315-319 (2006).
- 
Amorphous structure of  ion-beam-synthesized Fe-Si thin layer
 M. Naito, M. Ishimaru, and Y. Hirotsu
 Proceedings of the 16th International Microscopy Congress 1771 (2006).
- 
High-dose Fe ion  implanted Si: Ion-beam-induced and annealing-induced microstructures
 M. Ishimaru, K. Omae, I.-T. Bae, M. Naito, and Y. Hirotsu
 Proceedings of the 16th International Microscopy Congress 1856 (2006).
- 
Exchange interactions in hydrogen-induced  amorphous YFe2 (invited)
 K. Suzuki, K. Ishikawa, K. Aoki, J. M. Cadogan, M. Ishimaru, and Y. Hirotsu
 Journal of Non-Crystalline Solids 353, 748-752 (2007).
- 
Post-annealing  recrystallization and damage recovery process in Fe ion implanted Si
 M. Naito, A. Hirata, M. Ishimaru, and Y. Hirotsu
 Nuclear Instruments and Methods in Physics Research B 257, 340-343 (2007).
- 
Formation process of  sharp-pointed structures on GaN nanorods during RF-MBE growth and their field  emission characteristics
 M. Terayama, S. Hasegawa, K. Uchida, M. Ishimaru, Y. Hirotsu, and H. Asahi
 physica status solidi (c) 4, 2371-2374 (2007).
- 
Compositional analyses  of ion-irradiation-induced phases in d-Sc4Zr3O12
 K. E. Sickafus, M. Ishimaru, Y. Hirotsu, I. O. Usov, J. A. Valdez, P. Hosemann, A. L. Johnson, and H. T. Thao
 Nuclear Instruments and Methods in Physics Research B 266, 2892-2897 (2008).
- 
Temperature dependence  of electron-beam induced effects in amorphous apatite
 I.-T. Bae, Y. Zhang, W. J. Weber, M. Ishimaru, Y. Hirotsu, and M. Higuchi
 Nuclear Instruments and Methods in Physics Research B 266, 3037-3042 (2008).
- 
Structural relaxation  in amorphous SiC studied by in situ transmission electron microscopy
 M. Ishimaru, A. Hirata, M. Naito, I.-T. Bae, Y. Zhang, and W. J. Weber
 Proceedings of 9th Asia-Pacific Microscopy Conference 708-709 (2008).
- 
Studies on TlInGaAsN  double quantum well structures
 D. Krishnamurthy, M. Ishimaru, M. Ozasa, Y. Tanaka, S. Hasegawa, Y. Hirotsu, and H. Asahi
 Proceedings of the 20th International Conference on Indium Phosphide and Related Materials, WeP10-1 - WeP10-4 (2008).
- 
Structural  characterization of metastable iron silicides formed in the Fe ion implanted Si 
 M. Naito and M. Ishimaru
 Proceedings of 9th Asia-Pacific Microscopy Conference 822-823 (2008).
- 
MBE growth and characterization of  TlInGaAsN double quantum well structures
 D. Krishnamurthy, S. Shanthi, K. M. Kim, Y. Sakai, M. Ishimaru, S. Hasegawa, and H. Asahi
 Journal of Crystal Growth 311, 1733-1738 (2009).
- 
Early stage of the crystallization in amorphous Fe-Si layers: Formation  and growth of metastable a-FeSi2 
 M. Naito and M. Ishimaru
 Nuclear Instruments and Methods in Physics Research B 267, 1290-1293 (2009).
- 
Spontaneous formation  of ultra-short-period lateral composition modulation in TlInGaAsN/TlInP  structures
 M. Ishimaru, Y. Tanaka, S. Hasegawa, H. Asahi, K. Sato, and T. J. Konno
 Proceedings of the 21st International Conference on Indium Phosphide and Related Materials, 253-254 (2009).
- 
Improvement in luminescence properties of  TlInGaAsN/TlInP multi-layers grown by gas source molecular beam epitaxy
 Y. Tanaka, S. Hasegawa, J.Q. Liu, M. Ishimaru, and H. Asahi
 Proceedings of the 21st International Conference on Indium Phosphide and Related Materials, 259-262 (2009).
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Influence of native  silicon oxides on the growth of GaN nanorods on Si(001)
 S. Hasegawa, J.-U. Seo, K. Uchida, H. Tambo, H. Kameoka, M. Ishimaru, and H. Asahi
 physica status solidi (c) 6, S570-S573 (2009).
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Thermoelectric  characterization of (Ga,In)2Te3 with self-assembled  two-dimensional vacancy planes 
 S. Yamanaka, M. Ishimaru, A. Charoenphakdee, H. Matsumoto, and K. Kurosaki
 Journal of Electronic Materials 38, 1392-1396 (2009).
- 
Irradiation-induced  amorphous structures studied by electron diffraction radial distribution  function analysis
 M. Ishimaru, M. Naito, and A. Hirata
 Proceedings of Microscopy and Microanalysis 2009, 1346-1347 (2009).
- 
Electron  microscopy study of L10-FePtCu  nanoparticles synthesized at 613K 
 Y. Hirotsu, H. W. Ryu, K. Sato, and M. Ishimaru
 Journal of Microscopy 236, 94-99 (2009).
- 
Formation process of b-FeSi2 from amorphous Fe-Si synthesized by ion  implantation: Fe concentration dependence
 M. Naito and M. Ishimaru
 Journal of Microscopy 236, 123-127 (2009).
- 
Synthesis and  characterization of Gd-doped InGaN thin films and superlattice structure
 S. N. M. Tawil, D. Krishnamurthy, R. Kakimi, M. Ishimaru, S. Emura, S. Hasegawa, and H. Asahi
 Proceedings of 3rd IEEE International NanoElectronics Conference, 1163-1164 (2010).
- 
Fabrication and current-voltage  characteristics of Ni spin quantum cross devices with P3HT:PCBM organic  materials 
 H. Kaiju, K. Kondo, N. Basheer, N. Kawaguchi, S. White, A. Hirata, M. Ishimaru, Y. Hirotsu, and A. Ishibashi
 Proceedings of Materials Research Society Symposium 1252 “Symposia I/J - Materials and Devices for End-of-Roadmap and Beyond CMO's Scaling”, J02081-J02086 (2010).
- 
Naturally-formed  nanoscale phase separation in epitaxially-grown III-V semiconductor alloys 
 M. Ishimaru, Y. Tanaka, S. Hasegawa, H. Asahi, K. Sato, and T. J. Konno
 Proceedings of Microscopy and Microanalysis 2010, 1470-1471 (2010).
- 
Influence of Si-doping  on the characteristics of InGaGdN/GaN MQWs grown by MBE
 S. N. M. Twail, D. Krishnamurthy, R. Kakimi, M. Ishimaru, S. Emura, S. Hasegawa, and H. Asahi
 physica status solidi (c) 8, 491-493 (2011).
- 
Investigations on the  properties of intermittently Gd-doped InGaN structures grown by molecular-beam  epitaxy
 D. Krishnamurthy, S. N. M. Tawil, R. Kakimi, M. Ishimaru, S. Emura, S. Hasegawa, and H. Asahi
 physica status solidi (c) 8, 497-499 (2011).
- 
Effect of vacancy  distribution on the thermal conductivity of Ga2Te3 and Ga2Se3
 C.-E. Kim, K. Kurosaki, M. Ishimaru, H. Muta, and S. Yamanaka
 Journal of Electronic Materials 40, 999-1004 (2011).
- 
Annealing-induced structural changes in TlInGaAsN heterostructures  studied by X-ray photoelectron spectroscopy 
 K. M. Kim, W. B. Kim, D. Krishnamurthy, M. Ishimaru, H. Kobayashi, S. Hasegawa and H. Asahi
 Proceedings of the 23rd International Conference on Indium Phosphide and Related Materials, 110-113 (2011).
- 
Structural  characterization of MBE grown InGaGdN/GaN and InGaN/GaGdN structures
 D. Krishnamurthy, S. N. M. Tawil, R. Kakimi, M. Ishimaru, S. Emura, Y.-K Zhou, S. Hasegawa, and H. Asahi
 physica status solidi (c) 8, 2245-2247 (2011).
- 
Radiation-induced chemical disorder in covalent materials 
 M. Ishimaru, Y. Zhang, and W. J. Weber
 Proceedings of Materials Research Society Symposium 1298 “Symposia Q/R/T - Advanced Materials for Applications in Extreme Environments” mrsf10-1298-r03-01 (2011).
- 
TEM analysis on nanovoid formation in annealed  amorphous oxides 
 R. Nakamura, T. Shudo, A. Hirata, M. Ishimaru, and H. Nakajima
 Materials Science Forum 695 “Eco-Materials Processing and Design XII”, 541-544 (2011).
- 
Growth of higher manganese  silicides from amorphous manganese-silicon layers synthesized by ion  implantation
 M. Naito, R. Nakanishi, N. Machida, T. Shigematsu, M. Ishimaru, J. A. Valdez, and K. E. Sickafus
 Nuclear Instruments and Methods in Physics Research B 272, 446-449 (2012).
- 
Elastic properties of  nanoporous amorphous Al2O3
 M. Tane, S. Nakano, R. Nakamura, H. Ogi, M. Ishimaru, H. Kimizuka, and H. Nakajima
 Proceedings of the 7th International Conference on Porous Metals and Metallic Foams, 649-652 (2012).
- 
Electron diffraction  study on chemical short-range order in covalent amorphous solids (invited)
 M. Ishimaru, A. Hirata, and M. Naito
 Nuclear Instruments and Methods in Physics Research B 277, 70-76 (2012).
- 
Surface and cross  sectional nano-structure of prototype BPM prepared using imprinted glassy alloy  thin film
 N. Saidoh, K. Takenaka, N. Nishiyama, M. Ishimaru, and A. Inoue
 Intermetallics 30, 48-50 (2012).
- 
Novel soft-magnetic  underlayer of a bit-patterned media using CoFe-based amorphous alloy thin film
 K. Takenaka, N. Saidoh, N. Nishiyama, M. Ishimaru, and A. Inoue
 Intermetallics 30, 100-103 (2012).
- 
Growth parameter  dependence of structural, electrical and magnetic properties in GaGdN layers  grown on GaN(0001)
 S. Sano, S. Hasegawa, Y. Mitsuno, K. Higashi, M. Ishimaru, T. Sakurai, H. Ohta, and H. Asahi
 Journal of Crystal Growth 378, 314-318 (2013).
- 
Competing effects of electronic and  nuclear energy loss on microstructural evolution in ionic-covalent materials  (invited)
 Y. Zhang, T. Varga, M. Ishimaru, P. D. Edmondson, H. Xue, P. Liu, S. Moll, F. Namavar, C. Hardiman, S. Shannon, and W. J. Weber
 Nuclear Instruments and Methods in Physics Research B 327, 33-43 (2014).
- 
Atomic structure  imaging of Co clusters in Co-C granular thin films by high-resolution  transmission electron microscopy
 K. Sato, M. Mizuguchi, J.-G. Kang, M. Ishimaru, K. Takanashi, and T. J. Konno
 AMTC Letters 4, 162-163 (2014).
- 
Crystallization processes of  amorphous GeSn thin films by heat treatment and electron beam irradiation
 T. Kimura, M. Ishimaru, M. Okugawa, R. Nakamura, and H. Yasuda
 Microscopy and Microanalysis 23 (Supplement 1), 2046-2047 (2017).
- 
Inhomogeneous crystallization of  sputter-deposited amorphous Ge films
 R. Nakamura, M. Okugawa, M. Ishimaru, H. Yasuda, and H. Numakura
 Proceedings of 24th International Workshop on Active-Matrix Flatpanel Displays and Devices 8006150, 276-278 (2017).
- 
Synthesis of high Sn concentration  GeSn by recrystallization of amorphous phase
 M. Higashiyama, M. Ishimaru, M. Okugawa, and R. Nakamura
 Proceedings of Materials Science and Technology 2018, 284-287 (2018).
- 
Large-scale molecular-dynamics  simulations of solid phase epitaxy in Si
 K. Kohno and M. Ishimaru
 Proceedings of Materials Science and Technology 2018, 300-303 (2018).
- 
    Effects of temperatures on  pressure-induced structural changes in amorphous Si: A molecular-dynamics study
 R. Mukuno and M. Ishimaru
 Proceedings of International Symposium on Applied Science 2019, 3, 118-122 (2020).

