Papers - UMEZU Ikurou
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Optical Properties of CdS Nanocrystal Covered by Polymer Chains on the Surface（共著）
I. Umezu, K. Mandai, R. Koizumi, M. Inada, A. Sugimura, Y. Sunaga, T. Ishii and Y. Nagasaki
MicroElectronic Engineering 66, 53 - 58 2003.11
Single Work
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Observation of inter-dot electron transport via spin-split states in InAs quantum dots （共著）
M. Inada, S. Sato, I. Umezu, P. O. Vaccaro, S. Yamada and A. Sugimura.
(Institute of Physics Publishing, Bristol (UK)and Philadelphia (USA), 2003) Institute of Physics Conference Series Number 171 、H188,1-5. 2003.11
Single Work
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Effects of hydroganation on photoluminescence of Si nanoparticles formed by pulsed laser ablation（共著）
M. Inada, H. Nakagawa, I. Umezu and A. Sugimura
Materials Science & Engineering B 101, 283 - 285 2003.11
Joint Work
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Effect of gas pressure on reactive pulsed laser ablation of a silicon target（共著）
M. Inada, I. Umezu and A. Sugimura
J. Vac. Sci. Technol. A 21, 84 - 86 2003.11
Joint Work
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Mechanizms of Visible Photoluminescence from Size-Controlled Silicon Nanoparticles（共著）
T. Makino, N. Suzuki, Y. Yamada, T. Yoshida, I. Umezu and A. Sugimura
Mat. Res. Soc. Symp. Proc. 737, 265 - 270 2003.11
Joint Work
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Optical properties of CdS quantum dot covered by novel polymer chains（共著）
I Umezu, K.Mandai1, R. Koizumi1, M. Inada, A. Sugimura, Y. Sunaga, T. Ishii and Y. Nagasaki.
(Institute of Physics Publishing, Bristol (UK)and Philadelphia (USA), 2003) Institute of Physics Conference Series Number 171 、H202, 1-5, 2003.11
Joint Work
Authorship：Lead author
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Correlation between structure and nonradiative recombination process in silicon nanocrystallites （共著）
I Umezu, M. Inada, H. Nakagawa, K. Matsumoto and A. Sugimura.
(Institute of Physics Publishing, Bristol (UK)and Philadelphia (USA), 2003) Institute of Physics Conference Series ，Number 171 D173, 1-5, 2003.11
Joint Work
Authorship：Lead author
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Reaction between nitrogen gas and silicon species during pulsed laser ablation（共著）
I. Umezu, M. Inada, K. Kohno, T. Yamaguchi, T. Makino and A. Sugimura
J. Vac. Sci. Technol. A 21, 1680 - 1682 2003.11
Joint Work
Authorship：Lead author
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Mechanisms of visible photoluminescence from size-controlled silicon nanoparticles
Makino T, Suzuki N, Yamada Y, Yoshida T, Umezu I, Sugimura A
QUANTUM CONFINED SEMICONDUCTOR NANOSTRUCTURES 737 265 - 270 2003
Joint Work
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Preparation of SiNx film by pulsed laser ablation in nitrogen gas ambient（共著）
I. Umezu, T. Yamaguchi, K. Kohno, M. Inada and A. Sugimura
Appl. Surf. Sci. 197-198C, 314 - 316 2002.11
Joint Work
Authorship：Lead author
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Deposition of silicon nitride films by pulsed laser ablation of Si target in nitrogen gas（共著）
I. Umezu, K. Kohno, T. Yamaguchi, A. Sugimura and M. Inada
J. Vac. Sci. and technol. A 20, (2002)30-32， 2002.11
Joint Work
Authorship：Lead author
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Study of silicon nanocrystal prepared by pulsed laser ablation in H2 gas（共著）
K. Matsumoto, H. nakagawa, M. Inada, I. Umezu and A. Sugimura
Mem. Konan Univ., Sci. Ser. 49, (2002)17-23, 2002.11
Joint Work
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Nano-oxidation of an amorphous silicon surface with an atomic force microscope（共著）
I. Umezu, T. Yoshida, K. Matsumoto, M. Inada and A. Sugimura
J. Noncryst. solids 299-302, (2002)1090-1094, 2002.11
Joint Work
Authorship：Lead author
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Effects of hydrogen on Si nanoparticles formed by pulsed laser ablation（共著）
M. Inada, H. Nakagawa, I. Umezu and A. Sugimura
Applied surface science 197-198, (2002)666-669, 2002.11
Joint Work
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Effect of Structure on Radiative Recombination Process in Amorphous Silicon Suboxide Prepared by RF Sputtering（共著）
K.-i. Yoshida, I. Umezu, N. Sakamoto, M. Inada and A. Sugimura
Journal of applied physics 92, 5936 - 5941 2002.11
Joint Work
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Photoluminescence Properties of Amorphous Silicon-based Oxygen and Hydrogen Alloys（共著）
I. Umezu, K.-i. Yoshida, N. Sakamoto, T. Murota, Y. Takashima, M. Inada and A. Sugimura
J.Appl. Phys. 91, 2009 - 2014 2002.11
Joint Work
Authorship：Lead author
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Effects of Argon and hydrogen plasmas on the surface of silicon（共著）
I. Umezu, K. Kohno, K. Aoki, Y. Kohama, A. Sugimura and M. Inada
Vacuum 66/3-4, 453 - 456 2002.11
Joint Work
Authorship：Lead author
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Nanoscale anodization of an amorphous silicon surface with an atomic force microscope（共著）
I. Umezu, Takashi Yoshida, K. Matsumoto, A. Sugimura and M. Inada
Appl. Phys. Lett. 81, 1492 - 1493 2002.11
Joint Work
Authorship：Lead author
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Preparation of SiNx film by pulsed laser ablation in nitrogen gas ambient（共著）
I. Umezu, T. Yamaguchi, K. Kohno, M. Inada and A. Sugimura
Appl. Surf. Sci. 197-198C, 314 - 316 2002.11
Joint Work
Authorship：Lead author
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Effects of annealing on luminescence properties of si nanocrystallites prepared by pulsed laser ablation in inert gas（共著）
I. Umezu, G. Yamazaki, T. Yamaguchi, A. Sugimura, T. Makino, Y. Yamada, N. Suzuki and T. Yoshida，
Materials Science & Engineering C Vol 15/1-2, (2001)129-131， 2001.11
Joint Work
Authorship：Lead author