その他研究活動・業績等 - 梅津 郁朗
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Correlation between electronic structure and chemical bond on the surface of hydrogenated silicon nanocrystallites
2004年11月
The 27th International Conference on the Physics of Semiconductors, Flagstaff, USA, 2004, July 26-30, I. Umezu, T. Makino, M. Takata, M. Inada and A. Sugimura
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Influence of preparation conditions on hydrogen passivated Si nanoparticles formed by pulsed laser ablation in hydrogen gas,
2004年11月
The 5th International Symposium on Laser Precision Microfabricatioｎ ，-SCIENCE AND APPLICATIONS -, Nara, Japan, 2004, 11-14 May, M. Inada, Ikurou Umezu and A. Sugimura
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Approaches to prepare core-shell structured Si nanocrystal by pulsed laser ablation
2004年11月
The 5th International Symposium on Laser Precision Microfabrication -SCIENCE AND APPLICATIONS -LPM2004, Nara, Japan, 2004, 11-14 May, I. Umezu, T. Makino, M. Inada, K.-i. Yoshida and A. Sugimura
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Preparation of surface controlled silicon nanocrystallites by pulsed laser ablation
2004年11月
The 27th International Conference on the Physics of Semiconductors, Flagstaff, USA, 2004, July 26-30, I. Umezu, M. Inada, T. Makino and A. Sugimura
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Correlation between PL emission band and growth of oxide layer on surface of silicon nanocrystallites
2004年11月
The 27th International Conference on the Physics of Semiconductors, Flagstaff, USA, 2004, July 26-30, I. Umezu, M. Koyama, T. Hasegawa, K. Matsumoto, M. Inada and A. Sugimura
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Inter-dot electron transport in coupled InAs quantum dots under magnetic field
2003年11月
The 13th International Conference on Nonequilibrium Carrier Dynamics in Semiconductors (HCIS-13), odena, Italy, 2003 7/28-8/1, M. Inada, I. Umezu, P. O. Vaccaro, S. Yamada and A. Sugimura
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Effects of plasma surface treatment on the surface of silicon nanocrystal
2003年11月
The 11th International Conference on Modulated Semiconductor Structures, Nara, Japan, 2003, I. Umezu, K. Jyuoji, K. Yoshida, M. Inada, T. Makino and A. Sugimura
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Optical and tranport studies in coupled InAs quantum dots embedded in GaAs
2003年11月
The 11th International Conference on Modulated Semiconductor Structures, Nara, Japan, 2003, M. Inada, I. Umezu, P. O. Vaccaro, S. Yamada and A. Sugimura
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Optical and transport studies in coupled InAs quantum dots embedded in GaAs
2003年11月
The 11th Int. Conf. on Modulated Semiconductor Structures (MSS11), Nara, Japan, 2003, M. Inada, I. Umezu, P. O. Vaccaro, S. Yamada and A. Sugimura
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Recombination process of CdS quantum dot covered by novel polymer chains
2003年11月
The 11th International Conference on Modulated Semiconductor Structures,Nara, Japan, 2003, July14-18, I. Umezu, R. Koizumi, A. Sugimoto, M. Inada, T. Makino, A. Sugimura, Y. Sunaga, T. Ishii and T. Nagasaki
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Nanoprticle formation and chemical reaction in the silicon laser ablation plume with a hydrogen gas atmosphere
2003年11月
7th International Conference on Laser, Crete, Greece, 2003, October 5-10, M. Inada, T. Kimura, T. Makino, I. Umezu and A. Sugimura
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Correlation between surface oxide and photoluminescence properties of Si nanoparticles prepared by pulsed laser ablation
2003年11月
7th International Conference on Laser Ablation, Crete, Greece, 2003, October 5-10, I. Umezu, K. Matsumoto, M. Inada, T. Makino and A. Sugimura
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Effects of surface treatment on Si nanoparticle prepared by pulsed laser ablation in hellium gas
2003年11月
7th International Conference on Laser, Crete, Greece, 2003, October 5-10, I. Umezu, K. Jyuoji, K. Yoshida, M. Inada, T. Makino and A. Sugimura
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Structural and optical properties of silicon nanoparticles prepared by pulsed laser ablation in hydrogen bachground gas
2003年11月
7th International Conference on Laser, Crete, Greece, 2003, October 5-10, T. Makino, M. Inada, K. Yoshida, I. Umezu and A. Sugimura
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FFECTS OF HYDROGENATION ON PHOTOLUMINESCENCE OF SI NANOPARTICLES FORMED BY PULSED
2002年11月
E-MRS 2002 spring meeting, Strasbourg (France), 2002, June 18 – 21, M. Inada, H. Nakagawa, I. Umezu and A. Sugimura
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Mechanisms of Visible Photoluminescence from Size-Controlled Silicon Nanoparticles
2002年11月
Materials Research Society 2002 fall meeting, Boston, USA, 2002 ,12, T. Makino, N. Suzuki, Y. Yamada, T. Yoshida, I. Umezu and A. Sugimura
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Photoluminescence spectra of CdS nanoparticles possessing PEG tethered chains on the surface
2002年11月
5th International Conference on Nano-Molecular Electronics (ICNME 2002), Kobe, Japan, 2002, Dec.10-12, I. Umezu, R. Koizumi, K. Mandai, M. Inada, A. Sugimura, Y. Sunaga, T. Ishii and Y. Nagasaki
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Observation of inter-dot electron transport via spin-split states in InAs quantum dots
2002年11月
The 26 th International Conference on Physics of Semiconductors, Edinburgh (U.K.), 2002, July 28-August 2, M. Inada, S. Sato, I. Umezu, P. O. Vaccaro, S. Yamada and A. Sugimura
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Effects of nanoscale anodization of silicon surface on the photoluminescence properties
2002年11月
The 26 th International Conference on Physics of Semiconductors, Edinburgh (U.K.), 2002, July 28-August 2, I. Umezu, T. Yoshida, K. Matsumoto, M. Inada and A. Sugimura
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Optical properties of CdS quantum dot covered by novel polymer chains
2002年11月
The 26 th International Conference on Physics of Semiconductors, Edinburgh (U.K.), 2002, July 28-August 2, I. Umezu, K.Mandai1, R. Koizumi1, M. Inada, A. Sugimura, Y. Sunaga, T. Ishii and Y. Nagasaki
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Correlation between local structure and recombination processes in Si based amorphous alloys prepared by RF sputtering
2002年11月
The 26 th International Conference on Physics of Semiconductors, Edinburgh (U.K.), 2002, July 28-August 2, I. Umezu, K. Yoshida, M. Inada and A. Sugimura
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Correlation between structure and nonradiative recombination process in silicon nanocrystallites
2002年11月
The 26 th International Conference on Physics of Semiconductors, Edinburgh(U.K.), 2002, July 28-August 2, I. Umezu, M. Inada, H. Nakagawa, K. Matsumoto and A. Sugimura
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Optical Properties of CdS Nanocrystal Covered by Polymer Chains on the Surface
2002年11月
The 8th International Conference on Electronic Materials, Xi'an, China, 2002, June 10 – 14, I. Umezu, K. Mandai, R. Koizumi, M. Inada, A. Sugimura, Y. Sunaga, T. Ishii and Y. Nagasaki
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OPTICAL PROPERTIES OF CDS NANOSPHERE POSSESSING TETHERED PEG CHAINS ON THE SURFACE
2002年11月
E-MRS 2002 spring meeting, Strasbourg (France), 2002, June 18 – 21, I. Umezu, K. Mandai, R. Koizumi, K. Inada, A. Sugimura, Y. Sunaga, T. Ishii and Y.Nagasaki
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Effects of hydrogen on Si nanoparticles formed by pulsed laser ablation
2001年11月
The 6th International Conference on Laser Ablation, Tsukuba, Japan, 2001, October1-5, M. Inada, H. Nakagawa, I. Umezu and A. Sugimura
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Effects of surface passivation of silicon nanocrystallites prepared by pulsed laser ablation
2001年11月
The 6th International Conference on Laser Ablation, Tsukuba, Japan, 2001, October1-5, K. Yoshida, M. Inada, K. Jyuohji, I. Umezu and A. Sugimura
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Preparation of SiNx Film by pulsed laser ablation in nitrogen gas
2001年11月
The 6th International Conference on Laser Ablation, Tsukuba, Japan, 2001, October1-5, I. Umezu, K. Kohno, T. yamaguchi, M. Inada and A. Sugimura
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Effects of argon and hydrogen plasma on the surface of silicon
2001年11月
The sixth International Symposium on Sputtering and Plasma Processes, Kanazawa, Japan, 2001, June 13-15, I. Umezu, K. Kohno, K. Aoki, Y. Kohama, A. Sugimura and M. Inada
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Nano-oxidation of amorphous silicon surface with an atomic force microscope
2001年11月
19th international conference on amorphous and microcrystalline semiconductors, Nice (France), 2001, 27-31 August, I. Umezu, T. Yoshida, K. Matsumoto, M. Inada and A. Sugimura
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Formation of amorphous silicon nitride films by pulsed laser ablation technique
2001年11月
19th international conference on amorphous and microcrystalline semiconductors, Nice (France), 2001, 27-31 August, I. Umezu, K. Kohno, T. Yamaguchi, M. Inada and A. Sugimura
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Effects of oxigen and nitrogen plasma treatments on the surface of silicon nanocrystallites
2001年11月
19th international conference on amorphous and microcrystalline semiconductors, Nice (France), 2001, 27-31 August 2001, K. Yoshida, M. Inada, K. Jyuohji, I. Umezu, A. Sugimura, T. Makino, Y. Yamada, N. Suzuki and T. Yoshida
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Lateral photo-conductance via in-plane inter-dot tunneling in self-assembled InAs/GaAs quantum dot ensemble
2000年11月
The 25 th International Conference on Physics of Semiconductors, Osaka, Japan, 2000, September 17-22, K. Ohnishi, M. Inada, I. Umezu, A. Sugimura and P. O. Vaccaro
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Effects of annealing on luminescence properties of si nanocrystallites prepared by pulsed laser ablation in inert gas
2000年11月
International Conference on Electronic Materials & Europian Materials Research Society Spring Meeting, Strasbourg (France), 2000, May 30-Jine2 , I. Umezu, G. Yamazaki, T. Yamaguchi, A. Sugimura, T. Makino, Y. Yamada, N. Suzuki and T. Yoshida
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Optical properties of self-assembled InAs quantum dots grown on GaAs(211)A substrate
2000年11月
International Conference on Electronic Materials & Europian Materials Research Society Spring Meeting, Strasbourg (France), 2000, May 30-Jine2, A. Sugimura, K. Ohnishi, I. Umezu and P. O. Vaccaro
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Photoluminescence from Nanoscale Si in a-SiOx matrix
2000年11月
Materials Research Society 2000 Fall meeting, Boston, USA, 2000, Nov. 27- Dec.1, I. Umezu, K. Yoshida, M. Inada and A. Sugimura
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Effects of inter-dot electronic coupling on laser gain in InAs/GaAs quantum dot ensemble
2000年11月
Materials Research Society 2000 Fall meeting, Boston, USA, 2000, Nov. 27- Dec.1, A. Sugimura, K. Ohnishi, I. Tadamasa and I. Umezu
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Many body effect in photo-conductivity in InAs/GaAs self assembled quantum dots
2000年11月
Materials Research Society 2000 Fall meeting, Boston, USA, 2000, Nov. 27- Dec.1, M. Inada, K. Ohnishi, I. Umezu, P. O. Vaccaro and A. Sugimura