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Nobuaki Kawahara

Enhancement of Piezoelectric Response in Scandium Aluminum Nitride Alloy Thin Films Prepared by Dual Reactive Cosputtering
2008 · Morito Akiyama, Toshihiro Kamohara, et al. · Advanced Materials · 1,093
Influence of oxygen concentration in sputtering gas on piezoelectric response of aluminum nitride thin films
2008 · Morito Akiyama, Toshihiro Kamohara, et al. · Applied Physics Letters · 85
Influence of sputtering pressure on polarity distribution of aluminum nitride thin films
2006 · Toshihiro Kamohara, Morito Akiyama, et al. · Applied Physics Letters · 51
Polarity inversion in aluminum nitride thin films under high sputtering power
2007 · Morito Akiyama, Toshihiro Kamohara, et al. · Applied Physics Letters · 43
Temperature dependence of piezoelectric properties of sputtered AlN on silicon substrate
2006 · Kazuhiko Kano, Kazuki Arakawa, et al. · Sensors and Actuators A Physical · 39
Development of in‐pipe microrobot using microwave energy transmission
2001 · Takayuki Shibata, Takanari Sasaya, et al. · Electronics and Communications in Japan (Part II Electronics) · 23
In-pipe wireless microrobot
1999 · Nobuaki Kawahara, Takayuki Shibata, et al. · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 23
Multi-source power supply system using micro-photovoltaic devices combined with microwave antenna
2002 · Takahisa Sakakibara, Hiroaki Izua, et al. · Sensors and Actuators A Physical · 21
Direct Observations of Melting and Solidification of Bi–Pb–Sr–Ca–Cu–O Compound
1990 · Hiroki Hoshizaki, Sanemasa Kawabata, et al. · Japanese Journal of Applied Physics · 16
Untitled
2001 · Kazuhiro Tsuruta, Nobuaki Kawahara · Journal of the Robotics Society of Japan · 14
In-pipe wireless micro robot
2001 · Kazuhiro Tsuruta, Takanari Sasaya, et al. · Journal of Micromechatronics · 13
High-Pressure Synthesis of a Bi-Pb-Sr-Ca-Cu-O Superconductor
1989 · Hiroyoshi Enami, Nobuaki Kawahara, et al. · Japanese Journal of Applied Physics · 13
Compact and Low Power Consumed Control Circuit for Wireless Micromachine
2002 · Kazuhiro Tsuruta, Takayuki Shibata, et al. · IEEJ Transactions on Sensors and Micromachines · 12
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A compact and quick-response dynamic focusing lens
1998 · Takashi Kaneko, Takuhiro Ohmi, et al. · Sensors and Actuators A Physical · 10
Resputtering Effect on Y1Ba2Cu3O7-d Thin Films Prepared by RF-Magnetron Sputtering
1990 · Hiroyoshi Enami, Toshiyuki Shinohara, et al. · Japanese Journal of Applied Physics · 10
Ternary Phase Diagram of the YO1.5-BaO-CuO System and the In Situ Observation of Crystal Growth
1990 · Sanemasa Kawabata, Hiroki Hoshizaki, et al. · Japanese Journal of Applied Physics · 9
Micro-observation technique for tele-micro-operation
2001 · Kohtaro Ohba, Jesus Carlos Pedraza Ortega, et al. · Advanced Robotics · 8
Windshield Display for Safe and Comfortable Driving
2005 · Koji Nakamura, Jyunya Inada, et al. · SAE technical papers on CD-ROM/SAE technical paper series · 7
MEMS Technologies for Ubiquitous Computing World: Study on Voice Recognition Utilizing Bone-Conducted Voice
2004 · Yoshiyasu Yamada, Yoshimasa Hijikata, et al. · IEEJ Transactions on Sensors and Micromachines · 7
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High Pressure Hot-Pressing of Y1Ba2Cu3O7-δ Superconductor
1989 · Nobuaki Kawahara, Hiroyoshi Enami, et al. · Japanese Journal of Applied Physics · 7
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Fabrication of Josephson Junctions by Focused Electron Beam Irradiation
1994 · Masanobu Suzuki, Nobuaki Kawahara, et al. · Japanese Journal of Applied Physics · 6
Preparation and Characterization of Grain Boundary Josephson Junction from Amorphous Thin Film
1991 · Toshiyuki Shinohara, Hiroyoshi Enami, et al. · Japanese Journal of Applied Physics · 6
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Direct Observations of the Process of Growth of YBa2Cu3O7-δ Crystals from the Melt by Means of Optical Microscopy
1989 · Hiroki Hoshizaki, Sanemasa Kawabata, et al. · Japanese Journal of Applied Physics · 6
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Implementation of Real Time Micro VR Camera
2000 · Kohtaro Ohba, Ryoichi Dangi, et al. · IEEJ Transactions on Sensors and Micromachines · 4
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Destruction and Recovery of Superconductivity in Bi-Pb-Sr-Ca-Cu-O Synthesized under High Pressure
1992 · Nobuaki Kawahara, Hiroyoshi Enami, et al. · Japanese Journal of Applied Physics · 4
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Works count: 41
Citation count: 1,550
H-index: 12
I10-index: 15
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