Papers - USAMI Noritaka
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Enhanced no-phonon transition in indirect GaAsP/GaP quantum wells by insertion of monolayer AlP for electron localization
T. Sugita, N. Usami and Y. Shiraki
JOURNAL OF CRYSTAL GROWTH Vol. 188 ( 1-4 ) page： 323-327 1998
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New strain-relieving microstructure in pure-Ge/Si short-period superlattices
H. Sunamura, N. Usami, Y. Shiraki and S. Fukatsu
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B Vol. 16 ( 3 ) page： 1595-1598 1998
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Magneto-photoluminescence spectra of GaP/AlP short-period superlattices in high magnetic fields and uniaxial pressures
K. Uchida, N. Miura, T. Sugita, F. Issiki, N. Usami and Y. Shiraki
PHYSICA B Vol. 251 page： 909-913 1998
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Temperature dependence of microscopic photoluminescence spectra of quantum dots and quantum wells
K. Ota, N. Usami and Y. Shiraki
PHYSICA E Vol. 2 ( 1-4 ) page： 573-577 1998
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Effect of tensile strain on optical properties of AlGaP-based neighboring confinement structure
T. Ohta, N. Usami, F. Issiki and Y. Shiraki
Superlattices and Microstructures Vol. 23 ( 1 ) page： 97-102 1998
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Spectroscopic study of Si-based quantum wells with neighbouring confinement structure
N. Usami, Y. Shiraki and S. Fukatsu
Semiconductor Science and Technology Vol. 12 ( 12 ) page： 1596-1602 1997.12
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Optical investigation of growth mode of Ge thin films on Si(110) substrates
J. Arai, A. Ohga, T. Hattori, N. Usami and Y. Shiraki
Applied Physics Letters Vol. 71 ( 6 ) page： 785-787 1997.8
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Effects of tensile strain on the optical properties of an AlGaP-based neighbouring confinement structure
T. Ohta, N. Usami, F. Issiki and Y. Shiraki
Semiconductor Science and Technology Vol. 12 ( 7 ) page： 881-887 1997.7
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Interfacial roughness of Si1-xGex/Si multilayer structures on Si(111) probed by x-ray scattering
P. M. Reimer, J. H. Li, Y. Yamaguchi, O. Sakata, H. Hashizume, N. Usami and Y. Shiraki
Journal of Physics-Condensed Matter Vol. 9 ( 22 ) page： 4521-4533 1997.6
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Precise control of island formation using overgrowth technique on cleaved edges of strained multiple quantum wells
J. Arai, N. Usami, K. Ota, Y. Shiraki, A. Ohga and T. Hattori
Applied Physics Letters Vol. 70 ( 22 ) page： 2981-2983 1997.6
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Photoluminescence study of the optical properties of SiGe quantum wells on separation by implanted oxygen substrates
D. K. Nayak, N. Usami, S. Fukatsu and Y. Shiraki
Journal of Applied Physics Vol. 81 ( 8 ) page： 3484-3489 1997.4
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Anomalous luminescence peak shift of SiGe/Si quantum well induced by self-assembled Ge islands
E. S. Kim, N. Usami and Y. Shiraki
Applied Physics Letters Vol. 70 ( 3 ) page： 295-297 1997.1
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Oxidation of strained Si in a microwave electron cyclotron resonance plasma
L. K. Bera, M. Mukhopadhyay, S. K. Ray, D. K. Nayak, N. Usami, Y. Shiraki and C. K. Maiti
Applied Physics Letters Vol. 70 ( 2 ) page： 217-219 1997.1
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Electrical properties of oxides grown on strained Si using microwave N2O plasma
L. K. Bera, S. K. Ray, D. K. Nayak, N. Usami, Y. Shiraki and C. K. Maiti
Applied Physics Letters Vol. 70 ( 1 ) page： 66-68 1997.1
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Anomalous photoluminescence of pure-Ge/Si type-II coupled quantum wells (II-CQWs)
H. Sunamura, N. Usami, Y. Shiraki and S. Fukatsu
THIN SOLID FILMS Vol. 294 ( 1-2 ) page： 336-339 1997
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Luminescence study on Ge islands as stressors on Si1-xGex/Si quantum well
E. S. Kim, N. Usami, H. Sunamura, S. Fukatsu and Y. Shiraki
JOURNAL OF CRYSTAL GROWTH Vol. 175 page： 519-523 1997
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Time-resolved photoluminescence study on AlxGa1-xAs spontaneous vertical quantum well structures
N. Usami, W. G. Pan, H. Yaguchi, R. Ito, K. Onabe, H. Akiyama and Y. Shiraki
Applied Physics Letters Vol. 68 ( 23 ) page： 3221-3223 1996.6
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Ultrashort lifetime photocarriers in Ge thin films
N. Sekine, K. Hirakawa, F. Sogawa, Y. Arakawa, N. Usami, Y. Shiraki and T. Katoda
Applied Physics Letters Vol. 68 ( 24 ) page： 3419-3421 1996.6
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Role of heterointerface on enhancement of no-phonon luminescence in Si-based neighboring confinement structure
N. Usami, Y. Shiraki and S. Fukatsu
Applied Physics Letters Vol. 68 ( 17 ) page： 2340-2342 1996.4
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Observation of lateral confinement effect in Ge quantum wires self-aligned at step edges on Si(100)
H. Sunamura, N. Usami, Y. Shiraki and S. Fukatsu
Applied Physics Letters Vol. 68 ( 13 ) page： 1847-1849 1996.3