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Your search keyword '"Orino, Yuichiro"' showing total 94 results
Start Over Author "Orino, Yuichiro" Publication Type Periodicals
94 results on '"Orino, Yuichiro"'

4. Airborne Ultrasonic Position and Velocity Measurement Using Two Cycles of Linear-Period-Modulated Signal

Author

Saito, Shinya, Kurosawa, Minoru Kuribayashi, Orino, Yuichiro, Hirata, Shinnosuke, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Goebel, Randy, editor, Siekmann, Jörg, editor, Wahlster, Wolfgang, editor, Groß, Roderich, editor, Alboul, Lyuba, editor, Melhuish, Chris, editor, Witkowski, Mark, editor, Prescott, Tony J., editor, and Penders, Jacques, editor

Published
2011
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19. Good piezoelectricity of self-polarized thick epitaxial (K,Na)NbO3 films grown below the Curie temperature (240 °C) using a hydrothermal method

Author

Tateyama, Akinori, primary, Ito, Yoshiharu, additional, Nakamura, Yoshiko, additional, Shimizu, Takao, additional, Orino, Yuichiro, additional, Kurosawa, Minoru, additional, Uchida, Hiroshi, additional, Shiraishi, Takahisa, additional, Kiguchi, Takanori, additional, Konno, Toyohiko J., additional, Yoshimura, Takeshi, additional, and Funakubo, Hiroshi, additional

Published
2020
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27. Thermal stability of self-polarization in a (K,Na)NbO3 film prepared by the hydrothermal method.

Author

Tateyama, Akinori, Ito, Yoshiharu, Shiraishi, Takahisa, Orino, Yuichiro, Kurosawa, Minoru, and Funakubo, Hiroshi

Abstract

Herein, the systematic change in the self-polarization behavior against the post-heat treatment after film deposition was investigated to understand the origin of self-polarization in hydrothermally prepared (KxNa1−x)NbO3 films with x = 0.88 at 240 °C below the Curie temperature. The transverse piezoelectric constant, e31,f, was evaluated by the cantilever method. The as-prepared films and heat-treated films at 300 °C had an almost perfectly self-polarized state and showed e31,f of ∼−5.0 C m−2 without applying an electric field as a poling treatment. Also, the piezoelectric response shows good linearity with the asymmetric piezoelectric butterfly curves, showing imprint characteristics. The self-polarized states were maintained until the heat treatment above the Curie temperature. Moreover, the self-polarized film was successfully deposited on the post-heat-treated film without the self-polarized state. This result suggests that the self-polarized state is generated regardless of the polarized state of the underlying layer by the hydrothermal synthesis in which deposition temperature is below the Curie temperature. [ABSTRACT FROM AUTHOR]

Published
2021
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31. 水熱法で作製する非鉛圧電体圧膜

Author

FUNAKUBO, HIROSHI, Tateyama, Akinori, Ito, Yoshiharu, orino, yuichiro, Kurosawa, Minoru Kuribayashi, Shimizu, Takao, Uchida, Hiroshi, Shiraishi, Takahisa, Kiguchi, Takanori, Konno, Toyohiko, Ishikawa, Mutsuo, and Kumada, Nobuhiro

Published
2018

32. 水熱合成(K,Na)NbO3 膜の厚膜化の検討

Author

FUNAKUBO, HIROSHI, Tateyama, Akinori, Ito, Yoshiharu, orino, yuichiro, Kurosawa, Minoru Kuribayashi, Shimizu, Takao, Uchida, Hiroshi, Shiraishi, Takahisa, Kiguchi, Takanori, Konno, Toyohiko, Ishikawa, Mutsuo, and Kumada, Nobuhiro

Published
2018

38. Dependency of direct and inverse transverse piezoelectric properties on composition in self-polarized epitaxial (KxNa1−x)NbO3 films grown via a hydrothermal method.

Author

Tateyama, Akinori, Ito, Yoshiharu, Shimizu, Takao, Orino, Yuichiro, Kurosawa, Minoru, Yoshimura, Takeshi, and Funakubo, Hiroshi

Abstract

(KxNa1−x)NbO3 films that were approximately 3 μm in thickness and with various x values were systematically deposited at 240 °C on (100)cSrRuO3//(100)SrTiO3 substrates using a hydrothermal method. Direct and inverse transverse piezoelectric coefficients, e31,f, near 0 kV cm−1 were approximately −5.0 C m−2 for the as-deposited films with a wide range of x values without any poling treatment. A large difference in e31,f value was not observed before or after poling treatment upon applying a positive electric field, suggesting that the as-deposited (KxNa1−x)NbO3 films with x = 0.36–0.88 were almost fully in a self-polarized state. (KxNa1−x)NbO3 films with x = 0.36–0.88 without any poling treatment showed a figure of merit for an energy harvester (FOM = e31,f2/εr) above 0.13, as calculated directly from e31,f. These FOM values are relatively high compared with the reported ones for other lead-free films that have a perovskite structure. [ABSTRACT FROM AUTHOR]

Published
2020
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