Papers - UMEZU Ikurou
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Effects of surface oxidation on optical absorption of sillicon nanocrystallites Reviewed
Umezu and Koyama and Yoshida and Sugimura
Proceedings of 28th international conference on the physics of semiconductors 2007.11
Joint Work
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Nanoparticle formation in the expansion process of a laser ablated plume
M Takiya, I Umezu, M Yaga, M Han
J. Phys.: Conf. Ser. 59 445 - 448 2007.11
Joint Work
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Electron transport in hydrogen-passivated silicon nanochains prepared by pulsed laser ablation
H Yamamoto, M Inada, R Ueda, I Umezu, S tanaka, T Saitoh, A Sugimura
Mem. konan Univ. , Sci. Ser. 54 89 - 103 2007.11
Joint Work
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Interaction effect among silicon nanocrystallites caused by aggregation structure
I Kondo, I Umezu, A Sugimura
Mem. konan Univ. , Sci. Ser. 54 105 - 117 2007.11
Joint Work
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Fractal growth of silicon nanocrystallites during pulsed laser ablation Reviewed
I Umezu, M Inada, T Makino, A Sugimura
Proceedings of 28th international conference on the physics of semiconductors 2007.11
Joint Work
Authorship：Lead author
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Mechanism of Electron-Hole Pair Generation and Light Emission for Electro-Luminescence Devices with Silicon Nano-Crystals Prepared by Laser Ablation Method
Sugimura and Koyama and Inada and Yoshida and Umezu
Proceedings of 28th international conference on the physics of semiconductors 2007.11
Joint Work
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Excitation energy transfer based on trap states of CdS quantum dots Reviewed
Wei Lü, Ikurou Umezu, Akira Sugimura
Nanoinsight 2007 international conference 2007.11
Joint Work
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Synthesis of photoluminescent colloidal silicon nanoparticles by pulsed laser ablation in liquids Reviewed
I Umezu, H Minami, H Senoo, A Sugimura
Journal of Physics: Conference Series 59 2007.11
Joint Work
Authorship：Lead author
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Formation of nanoscale fine-structured silicon by pulsed laser ablation in hydrogen background gas
Umezu Ikurou, Sugimura Akira, Inada Mitsuru, Makino Toshiharu, Matsumoto Kimihisa, Takata Masatoshi
PHYSICAL REVIEW B 76 ( 4 ) 2007.7
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Effect of surface oxidation on optical absorption of silicon nanocrystallites
Umezu Ikurou, Koyama Motohiko, Yoshida Takehito, Sugimura Akira
PHYSICS OF SEMICONDUCTORS, PTS A AND B 893 895 - + 2007
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Fractal growth of silicon nanocrystaffites during pulsed laser ablation
Umezu Ikurou, Inada Masuru, Makino Toshiharu, Sugimura Akira
PHYSICS OF SEMICONDUCTORS, PTS A AND B 893 43 - + 2007
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Mechanism of electron-hole pair generation and light emission for electro-luminescence devices with silicon nano-crystals prepared by laser ablation method
Sugimura A., Koyama M., Inada M., Yoshida T., Umezu I.
PHYSICS OF SEMICONDUCTORS, PTS A AND B 893 1433 - + 2007
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Synthesis of photoluminescent colloidal silicon nanoparticles by pulsed laser ablation in liquids
Umezu I., Minami H., Senoo H., Sugimura A.
COLA'05: 8TH INTERNATIONAL CONFERENCE ON LASER ABLATION 59 392 - + 2007
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Plume analysis during pulsed laser ablation of sillicon in hydrogen gas
Takata M., Umezu I., Sugimura A.
COLA'05: 8TH INTERNATIONAL CONFERENCE ON LASER ABLATION 59 575 - + 2007
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Nanoparticle formation in the expansion process of a laser ablated plume
Takiya T., Umezu I., Yaga M., Han M.
COLA'05: 8TH INTERNATIONAL CONFERENCE ON LASER ABLATION 59 445 - + 2007
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Resonance energy transfer based on shallow and deep energy levels of biotin-po lyethylene glycol/polyamine stabilized CdS quantum dots.（共著）
W. Lu; , Y. Tokuhiro, I. Umezu and A. Sugimura, Y. Nagasaki.
Applied Physics Letters, 89 ( 143901 ) 1 - 3 2006.11
Joint Work
Applied Physics Letters, Vol.89, 143901, pp.1-3. (2006)
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Size-dependent optical properties of CdSe/ZnS core/shell quantum dots
W Lü, I Umezu, A Sugimura
Mem. Konan Univ., Sci. & Eng. Ser. 53 151 - 163 2006.11
Joint Work
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Resonance energy transfer based on shallow and deep energy levels of biotin-polyethylene glycol/polyamine stabilized CdS quantum dots
Lu W., Tokuhiro Y., Umezu I., Sugimura A., Nagasaki Y.
APPLIED PHYSICS LETTERS 89 ( 14 ) 2006.10
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Effects of surface adsorption on the photoluminescence wavelength of silicon nanocrystal
Umezu I, Kimura T, Sugimura A
PHYSICA B-CONDENSED MATTER 376 853 - 856 2006.4
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Spatial fluctuation enhancement and nonradiative-recombination-center generation due to high Si-doping into GaAs/A1As short-period-superlattices
Kobori H, Shigetani A, Umezu I, Sugimura A
PHYSICA B-CONDENSED MATTER 376 861 - 863 2006.4