Feasibility study of ultrasonic biometrics based on finger vessel imaging by epitaxial-PZT/Si piezoelectric micromachined ultrasonic transducer
Liu, Ziyi, Yoshida, Shinya, Horie, Toshiaki, Okamoto, Shoji, Takayama, Ryoichi, Tanaka, Shuji
Published in Sensors and actuators. A. Physical. (01.09.2020)
Published in Sensors and actuators. A. Physical. (01.09.2020)
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Journal Article
High electromechanical strain and enhanced temperature characteristics in lead-free (Na,Bi)TiO3–BaTiO3 thin films on Si substrates
Tanaka, Yoshiaki, Okamoto, Shoji, Hashimoto, Kazuya, Takayama, Ryoichi, Harigai, Takakiyo, Adachi, Hideaki, Fujii, Eiji
Published in Scientific reports (18.05.2018)
Published in Scientific reports (18.05.2018)
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Journal Article
Thickness and temperature dependences of dielectric properties of {111}-oriented epitaxial Pb(Mg1/3Nb2/3)O3 and 0.6Pb(Mg1/3Nb2/3)O3-0.4PbTiO3 films
Okamoto, Shoji, Okamoto, Satoshi, Yokoyama, Shintaro, Funakubo, Hiroshi
Published in Japanese Journal of Applied Physics (28.06.2018)
Published in Japanese Journal of Applied Physics (28.06.2018)
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Journal Article
Composition dependences of crystal structure and electrical properties of epitaxial Pb(Zr,Ti)O3 films grown on Si and SrTiO3 substrates
Okamoto, Shoji, Okamoto, Satoshi, Yokoyama, Shintaro, Akiyama, Kensuke, Funakubo, Hiroshi
Published in Japanese Journal of Applied Physics (01.10.2016)
Published in Japanese Journal of Applied Physics (01.10.2016)
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Journal Article
Orientation and film thickness dependencies of (100)- and (111)-oriented epitaxial Pb(Mg1/3Nb2/3)O3 films grown by metal organic chemical vapor deposition
Funakubo, Hiroshi, Okamaoto, Satoshi, Yokoyama, Shintaro, Okamoto, Shoji, Kimura, Junichi, Uchida, Hiroshi
Published in Journal of Materiomics (01.09.2015)
Published in Journal of Materiomics (01.09.2015)
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Journal Article
Squareness Control in Polarization--Electric Field Hysteresis Curves in Rhombohedral Pb(Zr,Ti)O3 Films
Sumi, Akihiro, Oikawa, Takahiro, Morioka, Hitoshi, Okamoto, Shoji, Yokoyama, Shintaro, Watanabe, Takayuki, Ehara, Yoshitaka, Funakubo, Hiroshi
Published in Jpn J Appl Phys (01.04.2013)
Published in Jpn J Appl Phys (01.04.2013)
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Journal Article
Short-Circuit Protection Method Based on a Gate Charge Characteristic
Horiguchi, Takeshi, Kinouchi, Shin-ichi, Nakayama, Yasushi, Oi, Takeshi, Urushibata, Hiroaki, Okamoto, Shoji, Tominaga, Shinji, Akagi, Hirofumi
Published in IEEJ JOURNAL OF INDUSTRY APPLICATIONS (01.01.2015)
Published in IEEJ JOURNAL OF INDUSTRY APPLICATIONS (01.01.2015)
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Journal Article
Characterization of Epitaxial-PZT/SI Piezoelectric Micromachined Ultrasonic Transducer (PMUT) and its Phased Array System
Liu, Ziyi, Yoshida, Shinya, Horie, Toshiaki, Okamoto, Shoji, Takayama, Ryouichi, Tanaka, Shuji
Published in 2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII) (01.06.2019)
Published in 2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII) (01.06.2019)
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Conference Proceeding