Solution-Based Fabrication of Perovskite Nanosheet Films and Their Dielectric Properties
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概要
- 論文の詳細を見る
We report a solution-based approach for fabricating perovskite nanofilms using a La0.95Nb2O7 perovskite nanosheet, a two-dimensional nanomaterial prepared by delaminating layered perovskite KLa0.95Nb2O7 into single-molecule-thick sheets. A layer-by-layer approach using Langmuir–Blodgett deposition was effective for fabricating uniform and highly dense nanofilms of perovskite nanosheets on an atomically flat SrRuO3 substrate. Structural analysis using X-ray diffraction, transmission electron microscopy, and hard X-ray photoelectron spectroscopy revealed that these films are composed of a well-ordered lamellar structure without an interfacial dead layer. The nanofilms showed stable dielectric response with $\varepsilon_{\text{r}} \simeq 45$ for thickness even down to 6 nm.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2009-09-25
著者
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Funakubo Hiroshi
Department Of Innovative And Engineered Materials
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Osada Minoru
International Center for Materials Nanoarchitectonics, National Institute for Materials Science
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Ueda Shigenori
Nims Beamline Station Spring-8 National Institute For Material Science
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SASAKI Takayoshi
International Center for Materials Nanoarchitectonics
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Kobayashi Keisuke
Nims Beamline Station Spring-8 National Institute For Material Science
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Ma Renzhi
International Center For Materials Nanoarchitectonics (mana) National Institute For Materials Scienc
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Sasaki Takayoshi
International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan
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Li Bao-Wen
International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan
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Ozawa Tadashi
International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan
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Akatsuka Kosho
International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan
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Ebina Yasuo
International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan
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Ebina Yasuo
International Center for Materials Nanoarchitectonics (MANA) and Nanoscale Materials Center, National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan
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Akatsuka Kosho
International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0044, Japan
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Osada Minoru
International Center for Materials Nanoarchitectonics (MANA) and Nanoscale Materials Center, National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan
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Ueda Shigenori
NIMS Beamline Station at SPring-8, National Institute for Materials Science, Sayo, Hyogo 679-5198, Japan
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Li Bao-Wen
International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0044, Japan
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Kobayashi Keisuke
NIMS Beamline Station at SPring-8, National Institute for Materials Science, Sayo, Hyogo 679-5198, Japan
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Ma Renzhi
International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan
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Funakubo Hiroshi
Department of Innovative and Engineered Materials, Tokyo Institute of Technology, Yokohama 226-8502, Japan
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Ozawa Tadashi
International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0044, Japan
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Funakubo Hiroshi
Department of Innovative and Engineered Material, Tokyo Institute of Technology, Yokohama 226-8503, Japan
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Ueda Shigenori
NIMS Beamline Station at SPring-8, National Institute for Materials Science, Sayo, Hyogo 679-5148, Japan
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Kobayashi Keisuke
NIMS Beamline Station at SPring-8, National Institute for Materials Science, Sayo, Hyogo 679-5148, Japan
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