論文 - 宇佐美 徳隆
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DYNAMICS OF EXCITON DIFFUSION IN SIGE QUANTUM-WELLS ON A V-GROOVE PATTERNED SI SUBSTRATE
N. Usami, H. Akiyama, Y. Shiraki and S. Fukatsu
Physical Review B 52 巻 ( 7 ) 頁： 5132-5135 1995年8月
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ENHANCEMENT OF RADIATIVE RECOMBINATION IN SI-BASED QUANTUM-WELLS WITH NEIGHBORING CONFINEMENT STRUCTURE
N. Usami, F. Issiki, D. K. Nayak, Y. Shiraki and S. Fukatsu
Applied Physics Letters 67 巻 頁： 524-526 1995年7月
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ISLAND FORMATION DURING GROWTH OF GE ON SI(100) - A STUDY USING PHOTOLUMINESCENCE SPECTROSCOPY
H. Sunamura, N. Usami, Y. Shiraki and S. Fukatsu
Applied Physics Letters 66 巻 ( 22 ) 頁： 3024-3026 1995年5月
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STRAIN-INDUCED LATERAL BAND-GAP MODULATION IN SI1-XGEX/SI QUANTUM-WELL AND QUANTUM-WIRE STRUCTURES
N. Usami, H. Sunamura, T. Mine, S. Fukatsu and Y. Shiraki
JOURNAL OF CRYSTAL GROWTH 150 巻 頁： 1065-1069 1995年
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Intense photoluminescence from Si-based quantum well structures with neighboring confinement structure
N. Usami, Y. Shiraki and S. Fukatsu
JOURNAL OF CRYSTAL GROWTH 157 巻 頁： 27-30 1995年
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Photoluminescence investigation on growth mode changeover of Ge on Si(100)
H. Sunamura, S. Fukatsu, N. Usami and Y. Shiraki
JOURNAL OF CRYSTAL GROWTH 157 巻 ( 1-4 ) 頁： 265-269 1995年
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Anomalous spectral shift of photoluminescence from MBE-grown strained Si1-xGex/Si quantum wells mediated by atomic hydrogen
G. Ohta, S. Fukatsu, N. Usami, Y. Shiraki and T. Hattori
JOURNAL OF CRYSTAL GROWTH 157 巻 ( 1-4 ) 頁： 36-39 1995年
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CRUCIAL ROLE OF SI BUFFER LAYER QUALITY IN THE PHOTOLUMINESCENCE EFFICIENCY OF STRAINED SI1-XGEX/SI QUANTUM-WELLS
T. Mine, N. Usami, Y. Shiraki and S. Fukatsu
J. Cryst. Growth 150 巻 ( 1-4 ) 頁： 1033-1037 1995年
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Field-driven blue shift of excitonic photoluminescence in Si-Ge quantum wells and superlattices
J. Y. Kim, S. Fukatsu, N. Usami and Y. Shiraki
JOURNAL OF CRYSTAL GROWTH 157 巻 ( 1-4 ) 頁： 40-44 1995年
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CATHODOLUMINESCENCE INVESTIGATION OF SIGE QUANTUM WIRES FABRICATED ON V-GROOVE PATTERNED SI SUBSTRATES
V. Higgs, E. C. Lightowlers, N. Usami, Y. Shiraki, T. Mine and S. Fukatsu
J. Cryst. Growth 150 巻 頁： 1070-1073 1995年
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ABRUPT SI GE INTERFACE FORMATION USING ATOMIC-HYDROGEN IN SI MOLECULAR-BEAM EPITAXY
G. Ohta, S. Fukatsu, Y. Ebuchi, T. Hattori, N. Usami and Y. Shiraki
Applied Physics Letters 65 巻 ( 23 ) 頁： 2975-2977 1994年12月
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PHOTOLUMINESCENCE OF SI/SIGE/SI QUANTUM-WELLS ON SEPARATION BY OXYGEN IMPLANTATION SUBSTRATE
D. K. Nayak, N. Usami, S. Fukatsu and Y. Shiraki
Applied Physics Letters 64 巻 ( 18 ) 頁： 2373-2375 1994年5月
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OPTICAL ANISOTROPY IN WIRE-GEOMETRY SIGE LAYERS GROWN BY GAS-SOURCE SELECTIVE EPITAXIAL-GROWTH TECHNIQUE
N. Usami, T. Mine, S. Fukatsu and Y. Shiraki
Applied Physics Letters 64 巻 ( 9 ) 頁： 1126-1128 1994年2月
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FABRICATION OF SIGE/SI QUANTUM-WIRE STRUCTURES ON A V-GROOVE PATTERNED SI SUBSTRATE BY GAS-SOURCE SI MOLECULAR-BEAM EPITAXY
N. Usami, T. Mine, S. Fukatsu and Y. Shiraki
SOLID-STATE ELECTRONICS 37 巻 頁： 539-541 1994年
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PHOTOLUMINESCENCE OF SI1-XGEX/SI QUANTUM-WELLS WITH ABRUPT INTERFACES FORMED BY SEGREGANT-ASSISTED GROWTH
N. Usami, S. Fukatsu and Y. Shiraki
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS 33 巻 ( 4B ) 頁： 2304-2306 1994年
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OPTICAL-DETECTION OF INTERDIFFUSION IN STRAINED SI1-XGEX/SI QUANTUM-WELL STRUCTURES
H. Sunamura, S. Fukatsu, N. Usami and Y. Shiraki
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS 33 巻 ( 4B ) 頁： 2344-2347 1994年
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BAND-EDGE PHOTOLUMINESCENCE OF SIGE/STRAINED-SI/SIGE TYPE-II QUANTUM-WELLS ON SI(100)
D. K. Nayak, N. Usami, H. Sunamura, S. Fukatsu and Y. Shiraki
SOLID-STATE ELECTRONICS 37 巻 ( 4-6 ) 頁： 933-936 1994年
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A SI1-XGEX/SI SINGLE-QUANTUM-WELL P-I-N STRUCTURE GROWN BY SOLID-SOURCE AND GAS-SOURCE HYBRID SI MOLECULAR-BEAM EPITAXY
Y. Kato, S. Fukatsu, N. Usami and Y. Shiraki
JOURNAL OF CRYSTAL GROWTH 136 巻 頁： 355-360 1994年
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GAS-SOURCE MOLECULAR-BEAM EPITAXY AND LUMINESCENCE CHARACTERIZATION OF STRAINED SI1-XGEX/SI QUANTUM-WELLS
S. Fukatsu, N. Usami, Y. Kato, H. Sunamura, Y. Shiraki, H. Oku, T. Ohnishi, Y. Ohmori and K. Okumura
J. Cryst. Growth 136 巻 頁： 315-321 1994年
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BAND-EDGE PHOTOLUMINESCENCE OF SIGE STRAINED-SI/SIGE TYPE-II QUANTUM-WELLS ON SI(100)
D. K. Nayak, N. Usami, S. Fukatsu and Y. Shiraki
Applied Physics Letters 63 巻 ( 25 ) 頁： 3509-3511 1993年12月