TSUBAKI Kotaro

J-GLOBAL         Last updated: Mar 13, 2019 at 16:33
 
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Name
TSUBAKI Kotaro
Affiliation
Toyo University
Section
Faculty of Information Sciences and Arts, Department of Information Sciences and Arts
Job title
Professor
Degree
Doctor of Engineering(Hokkaido University)
Research funding number
10360166

Research Interests

 
 

Research Areas

 
 

Academic & Professional Experience

 
Apr 2009
 - 
Today
Professor, Faculty of Information Sciences and Arts, Toyo University
 
Apr 1978
 - 
Sep 2002
Basic Resaerch Laboratories, NTT
 
Oct 2002
 - 
Mar 2009
Professor, Faculty of Engineering, Toyo University
 

Education

 
 
 - 
1978
Physics, Graduate School, Division of Science, The University of Tokyo
 
 
 - 
1976
Physics, Faculty of Science, The University of Tokyo
 

Published Papers

 
TSUBAKI Kotaro
Jpn J. Appl. Phys.   55(8S3) 08RE08   Aug 2016   [Refereed]
The portable particle-size-measurements-system by introducing the comsumer-use camera
TSUBAKI Kotaro
Chemical Engineering   60(9) 667-674   Sep 2015   [Invited]
TSUBAKI Kotaro, YAMAGUCHI Hiroshi
Physica E   40(6) 2220-2221   Apr 2008   [Refereed]
TSUBAKI Kotaro, NAKAJIMA Yoshikata, HANAJIRI Tatsuro, YAMAGUCHI Hiroshi
J. Physics   38 49-52   Jan 2006   [Refereed]
TSUBAKI Kotaro, MAEDA Narihiko, SAITO Tadashi, KOBAYASHI Naoki
AIP Conference Proceedings   447-448   Jan 2005   [Refereed]
Electron Transport in U-shape Carbon
TSUBAKI Kotaro, TOYABE Toru, HANAJIRI Tatsuro, GAMO N. Mika
Industrial Technology   28 30-34   Jan 2005   [Refereed]
Magnetometory of AlGaN/GaN heterostructure waferes
TSUBAKI Kotaro, MAEDA Narihiko, SAITO Tadashi, KOBAYASHI Naoki
Bulletin of The MAR04 Meeting of the American Physical Society   H10.2   Jan 2004   [Refereed]
TSUBAKI Kotaro, MAEDA Narihiko, SAITO Tadashi, KOBAYASHI Naoki
Physica E   21(2-4) 676-678   Jan 2004   [Refereed]
WANG Chengxin, TSUBAKI Kotaro, KOBAYASHI Naoki, MAKIMOTO Toshiki, MAEDA Narihiko
Appl. Phys. Lett.   84(13) 2313-2315   Jan 2004   [Refereed]
WANG Chengxin, MAEDA Narihiko, TSUBAKI Kotaro, KOBAYASHI Naoki, MAKIMOTO Toshiki
Jpn J. Appl. Phys.   43(6A) 3356-3359   Jan 2004   [Refereed]
Hall Plateau at small magnetic field in AlGaN/GaN
TSUBAKI Kotaro, MAEDA Narihiko, SAITO Tadashi, KOBAYASHI Naoki
The mesoscopic superconductor and spintronics   117-121   Mar 2003   [Refereed]
MAEDA Narihiko, TSUBAKI Kotaro, SAITO Tadashi, TAWARA Takehiko, KOBAYASHI Naoki
Optical Materials   23(1-2) 211-217   Jan 2003   [Refereed]
Hall resistance hysteresis in AlGaN/GaN 2DEG
TSUBAKI Kotaro, MAEDA Narihiko, SAITO Tadashi, KOBAYASHI Naoki
Bulletin of The MAR03 Meeting of the American Physical Society   Q19.3   Jan 2003   [Refereed]
MAEDA Narihiko, TAWARA Takehiko, SAITO Tadashi, TSUBAKI Kotaro, KOBAYASHI Naoki
Physica Status Solidi (a)   200(1) 168-174   Jan 2003   [Refereed]
Spin Splitting in modulation-doped AlGaN/GaN two-dimensional electron gas
TSUBAKI Kotaro, MAEDA Narihiko, SAITO Tadashi, KOBAYASHI Naoki
Proceedings of the 26th Int. Conf. Phys. Semiconductors   D118   Jan 2003   [Refereed]
TSUBAKI Kotaro, MAEDA Narihiko, SAITO Tadashi, KOBAYASHI Naoki
Appl. Phys. Lett.   80(17) 3126-3128   Apr 2002   [Refereed]
PRABHKARAN K., SHAFI K. V., YAMUCHI Yoshiharu., TSUBAKI Kotaro. ULMAN A., HONMA Yoshikazu, OGINO Tishio
Applied Surface Science   190(1-4) 161-165   Jan 2002   [Refereed]
Back-doping design in AlGaN/GaN heterostructure field-effect transistor for high-power applications
MAEDA Narihiko, SAITO Tadashi, TSUBAKI Kotaro, NISHIDA Toshio, KOBAYASHI Naoki
Material Research Soc. Symp. Proceeding      Jan 2002   [Refereed]
Two-dimensional Electron Gas Transport Properties in AlGaN/GaN HFETs with high Al compositions
MAEDA Narihiko, SAITO Tadashi, TSUBAKI Kotaro, KOBAYASHI Naoki
Inst. Phys. Conf. Ser.   170(1) 107-112   Jan 2002   [Refereed]
TSUBAKI Kotaro, MAEDA Narihiko, SAITO Tadashi, NISHIDA Toshio,KOBAYASHI Naoki
Physica E   13(2-4) 1111-1113   2002   [Refereed]
High-Temperature Electron Transport Properties in AlGaN/GaN Heterostructure Field Effect Transistors
MAEDA Narihiko, SAITO Tadashi, TSUBAKI Kotaro, NISHIDA Toshio,KOBAYASHI Naoki
Appl. Phys. Lett.   79(11) 1634-1636   Jan 2001   [Refereed]
MAEDA Narihiko, SAITO Tadashi, TSUBAKI Kotaro, NISHIDA Toshio,KOBAYASHI Naoki
Materials Science & Engineering B   B82 232-237   Jan 2001   [Refereed]
Electronic subbands of two-dimensional electron gas in AlGaN/GaN heterostructure
TSUBAKI Kotaro, MAEDA Narihiko, SAITO Tadashi, NISHIDA Toshio,KOBAYASHI Naoki
Proceedings of the 25th Int. Conf. Phys. Semiconductors   1593-1594   Jan 2001   [Refereed]
TSUBAKI Kotaro
Jpn J. Appl. Phys.   40(3B) 1902-1905   Jan 2001   [Refereed]
AlGaN/GaN Heterostructure Field Effect Transisotor with High Al Compositions Fabricated with Selective Area Regrwoth
MAEDA Narihiko, SAITO Tadashi, TSUBAKI Kotaro, NISHIDA Toshio,KOBAYASHI Naoki
Physica Status Solidi (a)   188(1) 223-226   Jan 2001   [Refereed]
TSUBAKI Kotaro
Jpn. J. Appl. Phys.   40(3B) 1902-1905   2001   [Refereed]
AlGaN/GaN Heterostructure FET
MAEDA Narihiko, SAITO Tadashi, TSUBAKI Kotaro
NTT R&D   50(1) 8-16   2001   [Refereed]
Electron transport properties in AlGaN/GaN heterostructure field effect transistors at high electron densities.
MAEDA Narihiko, SAITO Tadashi, TSUBAKI Kotaro, NISHIDA Toshio,KOBAYASHI Naoki
IPAP Conf. Ser.   1 953-956   2000   [Refereed]
MAEDA Narihiko, SAITO Tadashi, TSUBAKI Kotaro, NISHIDA Toshio,KOBAYASHI Naoki
Appl.Phys. Lett.   76(21) 3118-3120   2000   [Refereed]
Two-dimensional Electron Gas Transport Properties in AlGaN/(In)GaN/AlGaN Double-heterostructure Field Effect Transistor
MAEDA Narihiko, SAITO Tadashi, TSUBAKI Kotaro, NISHIDA Toshio,KOBAYASHI Naoki
Material Research Soc.   595 W4.7.1   2000   [Refereed]
Quantized magnetotransport through magnetic barrier systems
TSUBAKI Kotaro
Inst. Phys. Conf. Ser.   no.162 Chap.7 pp.373-378    1999   [Refereed]
MAEDA Narihiko, SAITO Tadashi, TSUBAKI Kotaro, NISHIDA Toshio,KOBAYASHI Naoki
Jpn. J. Appl. Phys.   38(7B) L799-L801   1999   [Refereed]
MAEDA Narihiko, SAITO Tadashi, TSUBAKI Kotaro, NISHIDA Toshio,KOBAYASHI Naoki
Jpn. J. Appl. Phys.   38(9A/B) L987-989   1999   [Refereed]
MAEDA Narihiko, SAITO Tadashi, TSUBAKI Kotaro, NISHIDA Toshio,KOBAYASHI Naoki
Physica Status Solidi. (b)   216(1) 727-731   1999   [Refereed]
SASAKI Satoshi, TSUBAKI Kotaro, TARUCHA Seigo, FUJIWARA Akira, TAKAHASI Yasuo
Solid-State Electronics   42(7-8) 1429-1431   1998   [Refereed]
TSUBAKI Kotaro
Physica B   456-458 392-396   1998   [Refereed]
TOKURA Yasuhiro, HONDA Takashi, TSUBAKI Kotaro, TARUCHA Seigo
Phys. Rev. B   54(3) 1947-1952   1996   [Refereed]
Electron wave interference in Mach-Zehnder channels
TSUBAKI Kotaro, Honda Takashi, TOKURA Yasuhiro
Inst. Phys. Conf. Ser.   no.129 Chap.5 pp.293-298    1993   [Refereed]
Ballistic transport and low-frequency noise in high mobility two-dimensional electron systems
TARUCHA Seigo, SAKU Tadashi, HIRAYAM Yoshiro, PHILLIPS J.R., TSUBAKI Kotaro, HORIKOSHI Yoshiji
Inst. Phys. Conf. Ser.   no.127 Chap.4 pp.127-132    1993   [Refereed]
Density of states of AlAs/GaAs fractional layer superlattice quantum wires in a modulation doped structure
TSUBAKI Kotaro, HONDA Takashi, SAITO Hisao,FUKUI Takashi
Surface Science   267 270-273   1992   [Refereed]
FUKUI Takashi, TSUBAKI Kotaro, SAITO Hisao, HONDA Takashi
Surface Science   267 588-592   1992   [Refereed]
Aharonov-Bohm effect under high magnetic field in a Corbino disk anti-dot channel
TSUBAKI Kotaro, Honda Takashi, TOKURA Yasuhiro
Surface Science   263 392-395   1992   [Refereed]
Electron wave interference in fractional layer superlattice(FLS)quantum wires
TSUBAKI Kotaro, Honda Takashi, TOKURA Yasuhiro
Inst. Phys. Conf. Ser.   no.120 Chap.12 pp.619-624    1992   [Refereed]
PHILLIPS J.R., TSUBAKI Kotaro, SAKU Tadashi, TARUCHA Seigo
Appl. Phys. Lett.   61(24) 2926-2928   1992   [Refereed]
TSUBAKI Kotaro, HONDA Takashi, SAITO Hisao,FUKUI Takashi
Appl. Phys. Lett.   58(4) 376-378   1991   [Refereed]
Carrier concentration in quantum wires fabricated by reactive ion beam etching
ITO Masayuki, HONDA Takashi, TSUBAKI Kotaro
Jpn. J. Appl. Phys   30(10) 2455-2458   1991   [Refereed]
極微細構造半導体の電子輸送
TARUCHA Seigo, SAKU Tadashi, HIRAYAM Yoshiro, TSUBAKI Kotaro
NTT R&D   40(10) 1391-1398   1991   [Refereed]
Electronic state of AlAs/GaAs vertical superlattice in modulation doped structure
TOKURA Yasuhiro, TSUBAKI Kotaro, SUSA Nobuhiko
Inst. Phys. Conf. Ser.   no.106 Chap.11 pp.869-875    1990   [Refereed]
TSUBAKI Kotaro, TOKURA Yasuhiro, SUSA Nobuhiko
Appl. Phys. Lett.   57(8) 804-806   1990   [Refereed]
TSUBAKI Kotaro, FUKUI Takashi
電気学会論文誌C   110(12) 721-728   1990   [Refereed]
TSUBAKI Kotaro, FUKUI Takashi, SAITO Hisao, SUSA Nobuhiko
Electronics Letters   25(11) 728-729   1989   [Refereed]
KODAIRA Yutaka, KUWANO Hiroshi, TSUBAKI Kotaro
Appl. Phys. Lett.   54(24) 2414-2416   1989   [Refereed]
TSUBAKI Kotaro, TOKUAR Yasuhiro
JSAP-MRS INT'l. Conf. on Elec. Mats   53(10) 99-102   1988   [Refereed]
TSUBAKI Kotaro, FUKUI Takashi, TOKURA Yasuhiro,SAITO Hisao, SUSA Nobuhiko
Electronics Letters   24(20) 1267-1268   1988   [Refereed]
半導体における電子の干渉効果
TSUBAKI Kotaro
固体物理   23(9) 714-720   1988   [Invited]
Device characterization of p-channel AlGaAs/GaAs MIS-like heterostructure FETs
HIRANO Makoto, OE Kunishige, YANAGAWA Fumihiko, TSUBAKI Kotaro
IEEE Electron. Dev.   ED-34(12) 2399-2404   1987   [Refereed]
TOKUAR Yasuhiro, TSUBAKI Kotaro
Appl. Phys. Lett.   51(22) 1807-1808   1987   [Refereed]
TSUBAKI Kotaro, KOBAYASHI Naoki, ANDO Seigo, SUGIMURA Akira
Surface Science   170 33-37   1986   [Refereed]
TSUBAKI Kotaro, FUKUI Takashi, SAITO Hisao
J. Appl/ Phys.   60(9) 3224-3226   1986   [Refereed]
OE Kunishige, TSUBAKI Kotaro
J. Appl. Phys.   59(10) 3527-3531   1986   [Refereed]
OE Kunishige, HIRANO Makoto, ARAI Kunihiro, YANAGAWA Fumihiko, TSUBAKI Kotaro
Surface Science   174 378-380   1986   [Refereed]
YAMADA Shoji, FUKUI Takashi, TSUBAKI Kotaro, SUGIMURA Akira
Phys. Rev. B   32(12) 8078-8084   1985   [Refereed]
TSUBAKI Kotaro, SUGIMURA Akira, KUMABE Kenji
J. Appl. Phys.   57(12) 5354-5358   1985   [Refereed]
TSUBAKI Kotaro, SUGIMURA Akira, KUMABE Kenji
Appl. Phys. Lett.   46(8) 764-766   1985   [Refereed]
TSUBAKI Kotaro, FUKUI Takashi, SAITO Hisao
Appl. Phys. Lett.   46(9) 875-877   1985   [Refereed]
Selectively-doped GaAs/n-AlGaAs heterostructures grown by MOCVD
KOBAYASHI Naoki, FUKUI Takashi, TSUBAKI Kotaro
Jpn. J. Appl. Phys.   23(9) 1176-1181   1984   [Refereed]
TSUBAKI Kotaro, SAKAKI Hiroyuki, YOSHINO Junji, SEKIGUCHI Yoshinobu
Appl. Phys. Lett.   45(6) 663-665   1984   [Refereed]
TSUBAKI Kotaro, SUGIYAMA Koichi
J.Electronic Materials   12(1) 43-59   1983   [Refereed]
TSUBAKI Kotaro, LIVINGSTONE Alec, KAWASHIMA Minoru, OKAMOTO Hiroshi, KUMABE Kenji
Solid State Comm.   46(7) 517-520   1983   [Refereed]
TSUBAKI Kotaro, SUGIYAMA Koichi
Jpn. J. Appl. Phys.   19(6) 1185-1186   1980   [Refereed]
Heat treatment of Zn-doped p-type InP
TSUBAKI Kotaro, SUGIYAMA Koichi
Jpn. J. Appl. Phys.   19(9) 1789-1790   1980   [Refereed]
Surface damage in InP induced during SiO2 deposition by RF sputtering
TSUBAKI Kotaro, SUGIYAMA Koichi
Jpn. J. Appl. Phys.   18(6) 1191-1192   1979   [Refereed]
TSUBAKI Kotaro, KUBOTA Eishi, SUGIYAMA Koichi
Electron. Lett.   15(17) 513-515   1979   [Refereed]

Conference Activities & Talks

 
Measurement of Moisture Content of Fine Particles using Image Processing of Laser Diffraction Image
TSUBAKI Kotaro
23rd Microoptics COnference   17 Oct 2018   
Measurements of fine-particle-size using the image processing of laser diffraction image
TSUBAKI Kotaro
20th Microoptics Conference   25 Oct 2015   
The fine-particle-size-measurement by using the image processing of laser diffraction image
TSUBAKI Kotaro
JSAP Spring Meeting, 2015   11 Mar 2015   
The particle-size-measurement-system based on the laser diffraction analysis
TSUBAKI Kotaro
17 Mar 2014   
Room-temperature ferromagnetic behavior in electride 12Ca・7Al2O3
TSUBAKI Kotaro
The MAR14 Meeting of American Physical Society   3 Mar 2014   

Research Grants & Projects

 
Development of the embedded particle size measurement system
Japan Science and Technology Agency: Matching planner program
Project Year: Jun 2016 - Mar 2017    Investigator(s): TSUBAKI Kotaro
Transport Properties of GaN 2DEG
JST Basic Research Programs (Core Research for Evolutional Science and Technology :CREST)
Project Year: 1998 - 2005
Magnetically controlled quantum solid-state physics
Basic Science Research Program
Project Year: 1995 - 2003
Transport Properties of Carbon nanotube
0098 (Japanese Only)
Project Year: 2003   

Social Contribution

 
The spray-dryer with the ultra-compact particle-size-measurements-device
[Demonstrator, Others]  Japan Science and Technology Agency  Inovation Japan 2017  31 Aug 2017 - 1 Sep 2017
The ultra-compact particle-size-measurements-system
[Demonstrator, Others]  Japan Science and Technology Agency  Inovation Japan 2016  25 Aug 2016 - 26 Aug 2016
The portable particle-size-measurement system
[Demonstrator, Others]  Japan Science and Technology Agency  Inovation Japan 2015  27 Aug 2015 - 28 Aug 2015