Koichi Usami

ScholarGPS® ID: 88970415093936

Affiliation

Tokyo Institute of Technology, Meguro Yokohama Tamachi, Japan

Affiliation History

Field

Engineering and Computer Science

Discipline

Electrical and Computer Engineering

Top Specialties

Nanowire | Chemical Vapor Deposition | Nanotechnology | Quantum Dot | Silicon Nanowire

Metrics Summary

Publication Count

Predicted Citations

547

Predicted h-index

Ranking

Publications and Citation History

Publications based on Top Specialties

Types of Publication

Publications
Books
Patents
NIH/NSF

Add Delete
Synthesis and characterization of Ge-core/a-Si-shell nanowires with conformal shell thickness deposited after gold removal for high-mobility p-channel field-effect transistors (journal article) Simanullang, Marolop Dapot Krisman \| Wisna, G. Bimananda M. \| Usami, Koichi \| Oda, Shunri Nanoscale Advances, volume 2, issue 4, pages 1465-1472 (2020). 10.1039/D0NA00023J Cited by (1) \| Cite \| Source
Transducing electromagnetic waves with soft phonon polaritons (conference) Sato, K. \| Gloppe, A. \| Noguchi, A. \| Yamazaki, R. \| Usami, K. \| Nakamura, Y. 2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (2017) Munich, Germany 10.1109/CLEOE-EQEC.2017.8087618 Cite \| Source
Experimental mapping of magnetostatic mode structures of a ferrimagnet spheroid (conference) Gloppe, A. \| Osada, A. \| Hisatomi, R. \| Noguchi, A. \| Yamazaki, R. \| Usami, K. \| Nakamura, Y. 2017 Conference on Lasers and Electro-Optics Europe (CLEO/Europe) & European Quantum Electronics Conference (EQEC) (2017) Munich 10.1109/CLEOE-EQEC.2017.8087099 Cite \| Source
Effect of gold migration on the morphology of germanium nanowires grown by a two-step growth method with temperature modulation (journal article) Xu, Zhengyu \| Usami, Koichi \| Simanullang, Marolop \| Noguchi, Tomohiro \| Kawano, Yukio \| Oda, Shunri Japanese Journal of Applied Physics, volume 55, issue 8, pages 085002- (2016). 10.7567/JJAP.55.085002 Cite \| Source
Electrical characterization of back-gated and top-gated germanium-core/silicon-shell nanowire field-effect transistors (conference) Simanullang, Marolop \| Wisna, Gde B. M. \| Cao, Wei \| Usami, Koichi \| Banerjee, Kaustav \| Oda, Shunri 2016 IEEE Silicon Nanoelectronics Workshop (SNW) (2016) Honolulu, HI, USA 10.1109/SNW.2016.7578010 Cite \| Source
Synthesis of Ge/Si core/shell nanowires with suppression of branch formation (journal article) Noguchi, Tomohiro \| Simanullang, Marolop \| Xu, Zhengyu \| Usami, Koichi \| Kodera, Tetsuo \| Oda, Shunri Applied Physics Express, volume 9, issue 5, pages 055504- (2016). 10.7567/APEX.9.055504 Cited by (5) \| Cite \| Source
Undoped and catalyst-free germanium nanowires for high-performance p-type enhancement-mode field-effect transistors (journal article) Simanullang, Marolop \| Wisna, G. Bimananda M. \| Usami, Koichi \| Cao, Wei \| Kawano, Yukio \| Banerjee, Kaustav \| Oda, Shunri Journal of Materials Chemistry C, volume 4, issue 22, pages 5102-5108 (2016). 10.1039/C6TC00352D Cited by (15) \| Cite \| Source
Formation of three-dimensionally integrated nanocrystalline silicon particles by dip-coating method (journal article) Yamazaki, Shotaro \| Nakamine, Yoshifumi \| Zheng, Ran \| Kouge, Masahiro \| Ishikawa, Tetsuya \| Usami, Koichi \| Kodera, Tetsuo \| Kawano, Yukio \| Oda, Shunri Japanese Journal of Applied Physics, volume 54, issue 10, pages 105001- (2015). 10.7567/JJAP.54.105001 Cited by (1) \| Cite \| Source
Ge/Si core/shell nanowires with controlled low temperature grown Si shell thickness (Phys. Status Solidi A 7∕2015) (journal article) Noguchi, Tomohiro \| Morita, Koudai \| Simanullang, Marolop \| Xu, Zhengyu \| Usami, Koichi \| Kawano, Yukio \| Kodera, Tetsuo \| Oda, Shunri physica status solidi (a), volume 212, issue 7 (2015). 10.1002/pssa.201570444 Cited by (1) \| Cite \| Source \| Open Access
Ge/Si core/shell nanowires with controlled low temperature grown Si shell thickness (journal article) Noguchi, Tomohiro \| Morita, Koudai \| Simanullang, Marolop \| Xu, Zhengyu \| Usami, Koichi \| Kawano, Yukio \| Kodera, Tetsuo \| Oda, Shunri physica status solidi (a), volume 212, issue 7, pages 1578-1581 (2015). 10.1002/pssa.201532340 Cited by (5) \| Cite \| Source
Surface passivation of germanium nanowires using Al2 O3 and HfO2 deposited via atomic layer deposition technique (journal article) Simanullang, Marolop \| Usami, Koichi \| Noguchi, Tomohiro \| Surawijaya, Akhmadi \| Kodera, Tetsuo \| Kawano, Yukio \| Oda, Shunri Japanese Journal of Applied Physics, volume 53, issue 6S, pages 06JG04- (2014). 10.7567/JJAP.53.06JG04 Cited by (12) \| Cite \| Source
Microscopic study of germanium nanowires grown via gold-catalyzed chemical vapor deposition below the eutectic temperature (journal article) Simanullang, Marolop \| Usami, Koichi \| Kodera, Tetsuo \| Kawano, Yukio \| Oda, Shunri Journal of Crystal Growth, volume 384 (2013). 10.1016/j.jcrysgro.2013.09.009 Cited by (5) \| Cite \| Source
Channel Length Scaling and Surface Nitridation of Silicon Nanocrystals for High-Performance Electron Devices (journal article) Ferdous, Susoma Jannatul \| Nakamine, Yoshifumi \| Kodera, Tetsuo \| Usami, Koichi \| Kawano, Yukio \| Oda, Shunri Japanese Journal of Applied Physics, volume 52, issue 4S, pages 04CH08- (2013). 10.7567/JJAP.52.04CH08 Cited by (2) \| Cite \| Source \| Open Access
(Invited) Low-Temperature Growth of Ge Nanowires by Vapor-Liquid-Solid Chemical Vapor Deposition (journal article) Simanullang, Marolop \| Seyhan, Ayse \| Usami, Koichi \| Kodera, Tetsuo \| Kawano, Yukio \| Oda, Shunri ECS Transactions, volume 45, issue 3, pages 17-29 (2012). 10.1149/1.3700868 Cited by (1) \| Cite \| Source
Low-Temperature Growth of Ge Nanowires by Vapor-Liquid-Solid Chemical Vapor Deposition (journal article) Simanullang, Marolop \| Seyhan, Ayse \| Usami, Koichi \| Kodera, Tetsuo \| Kawano, Yukio \| Oda, Shunri ECS Meeting Abstracts, volume MA2012-01, issue 16, pages 679-679 (2012). 10.1149/MA2012-01/16/679 Cite \| Source
Growth of Narrow and Straight Germanium Nanowires by Vapor–Liquid–Solid Chemical Vapor Deposition (journal article) Simanullang, Marolop \| Usami, Koichi \| Kodera, Tetsuo \| Uchida, Ken \| Oda, Shunri Japanese Journal of Applied Physics, volume 50, issue 10R, pages 105002- (2011). 10.1143/JJAP.50.105002 Cited by (11) \| Cite \| Source
Growth of Narrow and Straight Germanium Nanowires by Vapor–Liquid–Solid Chemical Vapor Deposition (journal article) Simanullang, Marolop \| Usami, Koichi \| Kodera, Tetsuo \| Uchida, Ken \| Oda, Shunri Japanese Journal of Applied Physics, volume 50, issue 10R, pages 105002- (2011). 10.7567/JJAP.50.105002 Cited by (8) \| Cite \| Source
Germanium Nanowires with 3-nm-Diameter Prepared by Low Temperature Vapour–Liquid–Solid Chemical Vapour Deposition (journal article) Simanullang, Marolop \| Usami, Koichi \| Kodera, Tetsuo \| Uchida, Ken \| Oda, Shunri Journal of Nanoscience and Nanotechnology, volume 11, issue 9, pages 8163-8168 (2011). 10.1166/jnn.2011.5049 Cited by (17) \| Cite \| Source
Growth of Ge–Si nanowire heterostructures via chemical vapor deposition (journal article) Li, C.B. \| Usami, K. \| Mizuta, H. \| Oda, S. Thin Solid Films, volume 519, issue 13, pages 4174-4176 (2011). 10.1016/j.tsf.2011.02.005 Cited by (6) \| Cite \| Source
Fabrication of Nanosilicon Ink and Two-Dimensional Array of Nanocrystalline Silicon Quantum Dots (journal article) Ishikawa, Tetsuya \| Nikaido, Hiroki \| Usami, Koichi \| Uchida, Ken \| Oda, Shunri Japanese Journal of Applied Physics, volume 49, issue 12R, pages 125002- (2010). 10.1143/JJAP.49.125002 Cited by (6) \| Cite \| Source