論文 - 宇佐美 徳隆
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Formation mechanism of twin boundaries during crystal growth of silicon
K. Kutsukake, T. Abe, N. Usami, K. Fujiwara, K. Morishita and K. Nakajima
Scripta Materialia 65 巻 ( 6 ) 頁: 556-559 2011年9月
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Line Width Dependence of Anisotropic Strain State in SiGe Films Induced by Selective Ion Implantation
Y. Hoshi, K. Sawano, A. Yamada, S. Nagakura, N. Usami, K. Arimoto, K. Nakagawa and Y. Shiraki
Applied Physics Express 4 巻 ( 9 ) 2011年9月
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Configuration and local elastic interaction of ferroelectric domains and misfit dislocation in PbTiO3/SrTiO3 epitaxial thin films
T. Kiguchi, K. Aoyagi, Y. Ehara, H. Funakubo, T. Yamada, N. Usami and T. J. Konno
Science and Technology of Advanced Materials 12 巻 ( 3 ) 2011年6月
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Implementation of faceted dendrite growth on floating cast method to realize high-quality multicrsytalline Si ingot for solar cells
N. Usami, I. Takahashi, K. Kutsukake, K. Fujiwara and K. Nakajima
Journal of Applied Physics 109 巻 ( 8 ) 2011年4月
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Effects of increased compressive strain on hole effective mass and scattering mechanisms in strained Ge channels
K. Sawano, K. Toyama, R. Masutomi, T. Okamoto, K. Arimoto, K. Nakagawa, N. Usami and Y. Shiraki
Microelectronic Engineering 88 巻 頁: 465-468 2011年4月
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In situ Observation of Polycrystalline Silicon Thin Films Grown Using Aluminum-Doped Zinc Oxide on Glass Substrate by the Aluminum-Induced Crystallization
M. Jung, A. Okada, T. Saito, T. Suemasu, C. Y. Chung, Y. Kawazoe and N. Usami
Japanese Journal of Applied Physics 50 巻 ( 4 ) 2011年4月
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Impact of type of crystal defects in multicrystalline Si on electrical properties and interaction with impurities
I. Takahashi, N. Usami, H. Mizuseki, Y. Kawazoe, G. Stokkan and K. Nakajima
Journal of Applied Physics 109 巻 ( 3 ) 2011年2月
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Pattern formation mechanism of a periodically faceted interface during crystallization of Si
M. Tokairin, K. Fujiwara, K. Kutsukake, H. Kodama, N. Usami and K. Nakajima
Journal of Crystal Growth 312 巻 ( 24 ) 頁: 3670-3674 2010年12月
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A grazing incidence small-angle x-ray scattering analysis on capped Ge nanodots in layer structures
H. Okuda, M. Kato, K. Kuno, S. Ochiai, N. Usami, K. Nakajima and O. Sakata
Journal of Physics-Condensed Matter 22 巻 ( 47 ) 2010年12月
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Impact of amorphous Ge thin layer at the amorphous Si/Al interface on Al-induced crystallization
H. Suzuki, N. Usami, A. Nomura, T. Shishido, K. Nakajima and T. Suemasu
Journal of Crystal Growth 312 巻 ( 22 ) 頁: 3257-3260 2010年11月
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Direct bandgap measurements in a three-dimensionally macroporous silicon 9R polytype using monochromated transmission electron microscope
L. Gu, Y. Yu, W. Sigle, N. Usami, S. Tsukimoto, J. Maier, Y. Ikuhara and P. A. van Aken
Applied Physics Letters 97 巻 ( 21 ) 2010年11月
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Room-temperature electroluminescence from Si microdisks with Ge quantum dots
J. S. Xia, Y. Takeda, N. Usami, T. Maruizumi and Y. Shiraki
Optics Express 18 巻 ( 13 ) 頁: 13945-13950 2010年6月
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Growth mechanism of the Si < 110 > faceted dendrite
K. Fujiwara, H. Fukuda, N. Usami, K. Nakajima and S. Uda
Physical Review B 81 巻 ( 22 ) 2010年6月
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Generation mechanism of dislocations during directional solidification of multicrystalline silicon using artificially designed seed
I. Takahashi, N. Usami, K. Kutsukake, G. Stokkan, K. Morishita and K. Nakajima
Journal of Crystal Growth 312 巻 ( 7 ) 頁: 897-901 2010年3月
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Ion dose, energy, and species dependencies of strain relaxation of SiGe buffer layers fabricated by ion implantation technique
Y. Hoshi, K. Sawano, A. Yamada, N. Usami, K. Arimoto, K. Nakagawa and Y. Shiraki
Journal of Applied Physics 107 巻 ( 10 ) 2010年3月
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Optical anisotropies of Si grown on step-graded SiGe(110) layers
R. E. Balderas-Navarro, L. F. Lastras-Martinez, K. Arimoto, R. Castro-Garcia, O. Villalobos-Aguilar, A. Lastras-Martinez, K. Nakagawa, K. Sawano, Y. Shiraki, N. Usami and K. Nakajima
Applied Physics Letters 96 巻 ( 9 ) 2010年3月
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Formation of uniaxially strained SiGe by selective ion implantation technique
K. Sawano, Y. Hoshi, A. Yamada, Y. Hiraoka, N. Usami, K. Arimoto, K. Nakagawa and Y. Shiraki
Thin Solid Films 518 巻 ( 9 ) 頁: 2454-2457 2010年2月
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Relationship between grain boundary structures in Si multicrystals and generation of dislocations during crystal growth
N. Usami, R. Yokoyama, I. Takahashi, K. Kutsukake, K. Fujiwara and K. Nakajima
Journal of Applied Physics 107 巻 ( 1 ) 2010年1月
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Ion energy and dose dependence of strain relaxation for thin SiGe buffer layers using Si+ implantation
Y. Hoshi, K. Sawano, A. Yamada, K. Arimoto, N. Usami, K. Nakagawa and Y. Shiraki
Thin Solid Films 518 巻 頁: S162-S164 2010年1月
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Computational Investigation of Relationship between Shear Stress and Multicrystalline Structure in Silicon
I. Takahashi, N. Usami, K. Kutsukake, K. Morishita and K. Nakajima
Japanese Journal of Applied Physics 49 巻 ( 4 ) 2010年