| Presentation | 2009-07-17 Epitaxial Growth of KNbO_3 Thick Films by Hydrothermal Method and Their Characterization Mutsuo Ishikawa, Hiroshi Einishi, Tomohito Hasegawa, Keisuke Yazawa, Shintaro Yasui, Tomoaki Yamada, Minoru Kurosawa, Takeshi Morita, Hiroshi Funakubo, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | KNbO_3 films were grown at 240℃ by hydrothermal method from KOH and Nb_2O_5 as source materials. 16μm-thick epitaxial KNbO_3 thick films with {100}-orientation were successfully grown on (100)_cSrRuO_3//SrTiO_3 substrates for 3h. Clear hysteresis loops originated from the ferroelectricity were observed and a remanent polarization was 20μC/cm^2 at a maximum applied electric field of 220kV/cm. The dielectric constant and the dielectric loss were 415 and 8% at 100kHz, then an observed piezoelectric constant d_33 was 86pm/V in which case an area of electrode was 200μm in diameter. |
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| Paper # | US2009-24 |
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| Committee | US |
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| Conference Date | 2009/7/10(1days) |
| Place (in Japanese) | (See Japanese page) |
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| Topics (in Japanese) | (See Japanese page) |
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| Registration To | Ultrasonics (US) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Epitaxial Growth of KNbO_3 Thick Films by Hydrothermal Method and Their Characterization |
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| 1st Author's Name | Mutsuo Ishikawa |
| 1st Author's Affiliation | Department of Innovative and Engineered Materials, Tokyo Institute of Technology() |
| 2nd Author's Name | Hiroshi Einishi |
| 2nd Author's Affiliation | Department of Innovative and Engineered Materials, Tokyo Institute of Technology |
| 3rd Author's Name | Tomohito Hasegawa |
| 3rd Author's Affiliation | Department of Innovative and Engineered Materials, Tokyo Institute of Technology |
| 4th Author's Name | Keisuke Yazawa |
| 4th Author's Affiliation | Department of Innovative and Engineered Materials, Tokyo Institute of Technology |
| 5th Author's Name | Shintaro Yasui |
| 5th Author's Affiliation | Department of Innovative and Engineered Materials, Tokyo Institute of Technology |
| 6th Author's Name | Tomoaki Yamada |
| 6th Author's Affiliation | Department of Innovative and Engineered Materials, Tokyo Institute of Technology |
| 7th Author's Name | Minoru Kurosawa |
| 7th Author's Affiliation | Department of Innovative and Engineered Materials, Tokyo Institute of Technology |
| 8th Author's Name | Takeshi Morita |
| 8th Author's Affiliation | Graduate School of Frontier Sciences, The University of Tokyo |
| 9th Author's Name | Hiroshi Funakubo |
| 9th Author's Affiliation | Department of Innovative and Engineered Materials, Tokyo Institute of Technology |
| Date | 2009-07-17 |
| Paper # | US2009-24 |
| Volume (vol) | vol.109 |
| Number (no) | 135 |
| Page | pp.pp.- |
| #Pages | 3 |
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