論文 - 梅津 郁朗
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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年11月
共著
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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年11月
共著
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Fractal growth of silicon nanocrystallites during pulsed laser ablation 査読あり
I Umezu, M Inada, T Makino, A Sugimura
Proceedings of 28th international conference on the physics of semiconductors 2007年11月
共著
担当区分：筆頭著者
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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年11月
共著
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Excitation energy transfer based on trap states of CdS quantum dots 査読あり
Wei Lü, Ikurou Umezu, Akira Sugimura
Nanoinsight 2007 international conference 2007年11月
共著
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Synthesis of photoluminescent colloidal silicon nanoparticles by pulsed laser ablation in liquids 査読あり
I Umezu, H Minami, H Senoo, A Sugimura
Journal of Physics: Conference Series 59 2007年11月
共著
担当区分：筆頭著者
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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年7月
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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年
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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年
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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年
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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年
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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年
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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年
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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年11月
共著
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年11月
共著
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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年10月
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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年4月
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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年4月
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Localization and transport of type-II excitons in spatially enhanced random potential for highly Si-doped GaAs/AlAs short-period-superlattices
Kobori H., Shigetani A., Umezu I., Sugimura A.
LOW TEMPERATURE PHYSICS, PTS A AND B 850 1520 - + 2006年
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Unusual behavior on line-broadening of photoluminescence spectrum for type-II excitons in highly Si-doped GaAs/AlAs short-period-superlattices
Kobori H., Shigetani A., Umezu I., Sugimura A.
LOW TEMPERATURE PHYSICS, PTS A AND B 850 1522 - + 2006年