Presentations -
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Effects of Compressible flow on Pulsed Laser Ablation under high background gas pressure
Hiroshi Fukuoka, Minoru Yaga, Toshio Takiya, Ikurou Umezu
11th INTERNATIONAL CONFERENCE ON LASER ABLATION (Playa del Carmen México )
Event date： 2011.11
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Controlling for crystal structures and morphologies of TiO2 nanoparticels de- posited by reactive pulsed laser ablation for photocatalyst applications
Takehito Yoshida, Nobuyasu Yagi, Akira Sugimura, Ikurou Umezu
11th INTERNATIONAL CONFERENCE ON LASER ABLATION (Playa del Carmen México)
Event date： 2011.11
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Effect of collision between plumes during pulsed laser ablation on plume ex- pansion dynamics and on formation of hybrid nanoparticles
Ikurou Umezu, Naomichi Sakamoto, Hiroshi Fukuoka, Yasuhiro Yokoyama, Koichiro Nobuzawa, Akira Sugimura
Event date： 2011.11
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Effect of Non-equilibrium Pulsed Ejection of Si Species into Background Gas on the Formation of Si Nanocrystallite and Nanocrystal-film
I. Umezu, S. Okubo and A. Sugimura
MRS fall meeting
Event date： 2010.11 - 2010.12
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Synthesis of gallium nitride nanocrystallites by pulsed laser ablation in background gas of pure nitrogen
T. Yoshida, S. Kakumoto, A. Sugimura and I. Umezu
International Conference on Photo-excited Processes and Applications, ICPEPA7 (Denmark København)
Event date： 2010.8
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Strong mid-infrared optical absorption emerged by supersaturated sulfur doping in silicon wafer
I. Umezu, A. Kohno, J. M. Warrender, Y. Takatori, Y.Hirao, S. Nakagawa, A. Sugimura, S. Charnvanichborikarn, J. S. Williams and M. J. Aziz
30th International Conference on the Physics of Semiconductors
Event date： 2010.7
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Semiconductor nanocrystallites synthesized by pulsed laser ablation in reactive background gases and application to functional materials
T. Yoshida H. Toyoyama I. Umezu A. Sugimura
SemiconNano2009
Event date： 2009.8
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Formation of core-shell structured silicon nanoparticles by pulsed laser ablation
I. Umezu Y. Nakayama A. Sugimura
LAMP2009 -The 5th International Congress on Laser Advanced Materials Processing
Event date： 2009.6 - 2009.7
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Collective Transport in Silicon Nanocrystal Assembly Prepared by Laser Ablation Method
A. Sugimura, M. Gibo, M. Inada, T. Saitoh and I. Umezu
MRS fall meeting
Event date： 2008.12
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Synthesis of Ni-doped InTaO4 nanocrystallites by reactive pulsed laser ablation for application to visible-light-operating photocatalysts
T. Yoshida, H. Toyoyama, I. Umezu and A. Sugimura
6th International Conference on Photo-Excited Processes and Applications
Event date： 2008.9
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Evolution of energy transfer process between quantum dots of two different sizes during the evaporation of solvent
Wei Lü, Ikurou Umezu, Akira Sugimura
The 2nd Thailand Nanotechnology Conference (Phuket, Thailand)
Event date： 2008.8
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Trap state emission of water-soluble CdS nanocrystals
W. Lü, I. Umezu and A. Sugimura
2008 International Conference on Excitonic Processes in Condensed Matter (Kyoto, Japan)
Event date： 2008.6
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InTaO4-BASED NANO-STRUCTURES SYNTHESIZED BY REACTIVE PULSED LASER ABLATION
T. Yoshida, H. Toyoyama, I. Umezu and A. Sugimura
9th International Conference on Laser Ablation
Event date： 2007.9
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DECREASE IN THE BONDING TEMPERATURE OF METAL BY USING NANOPARTICLES PREPARED BY PULSED LASER ABLATION
T. Takiya, I. Umezu, A. Sugimura, H. Kaita, T. Tonoura, H. Yoshida and S. Ueguri
9th International Conference on Laser Ablation
Event date： 2007.9
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FORMATION OF SURFACE STABILIZED Si NANOCRYSTALLITES BY PULSED LASER ABLATION IN HYDROGEN BACKGROUND GAS
I. Umezu, I. Kondo and A. Sugimura
9th International Conference on Laser Ablation
Event date： 2007.9
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REACTION BETWEEN AMBIENT AND EJECTED TARGET MATERIAL DURING PULSED LASER ABLATION IN WATER
I. Umezu, H. Senoo and A. Sugimura
9th International Conference on Laser Ablation
Event date： 2007.9
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Study of energy transfer in mixed system of two different sized quantum dots
W. Lü, I. Umezu and A. Sugimura
Trends in NanoTechnology- TNT2007
Event date： 2007.9 - 2009.9
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Excitation energy transfer based on trap states of CdS quantum dots
W. Lü, I. Umezu and A. Sugimura
Nanoinsight 2007 international conference
Event date： 2007.3
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25a-L-7 PLAで作製されたシリコンナノ結晶の凝集過程とバンドギャップに対する 水素バックグランドガスの効果
甲南大理工1，量子ナノテク研2 ○（M）近藤一世1，梅津郁朗1,2，杉村 陽1,2
2006年（平成18年）春季 第53回 応用物理学関係連合講演会 (武蔵工業大学 工学部 世田谷キャンパス（東京都世田谷区）)
Event date： 2006.3
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Nanoparticle formation in the expansion process of laser ablated plume
T. Takiya, I. Umezu, M. yaga and M. Han
The 8th International Conference on Laser Ablation, Banff, Canada, (Canada,)
Event date： 2005.9