Electronic property control of solid-state oxide thin-film device by water electrolysis
| Project/Area Number |
15H05543
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| Research Category |
Grant-in-Aid for Young Scientists (A)
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| Allocation Type | Single-year Grants |
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| Research Field |
Inorganic materials/Physical properties
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| Research Institution | Tokyo Institute of Technology (2017)
Hokkaido University (2015-2016) |
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Principal Investigator |
KATASE TAKAYOSHI 東京工業大学, 科学技術創成研究院, 准教授 (90648388)
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥24,310,000 (Direct Cost: ¥18,700,000、Indirect Cost: ¥5,610,000)
Fiscal Year 2017: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2016: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2015: ¥16,250,000 (Direct Cost: ¥12,500,000、Indirect Cost: ¥3,750,000)
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| Keywords | 薄膜トランジスタ / プロトン / 水の電気分解 / エレクトロクロミック素子 / 酸化物エレクトロニクス / 二酸化バナジウム / 先端機能デバイス / セラミックス / 電子・電気材料 / プロトン化 |
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| Outline of Final Research Achievements |
On-demand electronic property control of oxide thin films was demonstrated by using an all-solid-state thin-film transistor (TFT) structure with water-electrolysis. The TFT structure was fabricated on vanadium dioxide (VO2) channel with a gate insulator of water-infiltrated nanoporous glass. Alternative positive/negative gate-voltage applications induced the reversible protonation/deprotonation of VO2 channel, leading to reversible metal-insulator conversion at room temperature. The TFT structure was applied for VO2 polycrystalline film on glass substrate and it is succeeded to demonstrate the electrochromic device that reversibly modulates from infrared (IR) transparent insulator to IR opaque metal state. The present device is operable by the room-temperature protonation in all-solid-state structure, and thus this concept will provide a new approach for the development of new functional devices.
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Report
(4 results)
Research Products
(93 results)
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[Journal Article] Multiple Color Inorganic Thin-Film Phosphor, RE-Doped Amorphous Gallium Oxide (RE = Rare Earth: Pr, Sm, Tb, and Dy), Deposited at Room Temperature2018
Author(s)
N. Watanabe, K. Ide, J. Kim, T. Katase, H. Hiramatsu, H. Hosono, T. Kamiya
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Journal Title
Phys. Status Solidi A
Volume: N/A
Issue: 5
Pages: 1700833-1700833
DOI
Related Report
Peer Reviewed / Open Access
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[Presentation] Anomalous thermopower of ultrathin LaTiO3 epitaxial layers2016
Author(s)
Takaki Onozato, Takayoshi Katase, Tetsuya Tohei, Yuichi Ikuhara, and Hiromichi Ohta
Organizer
HOKUDAI-NCTU International Joint Symposium on Nano, Opto and Bio Sciences
Place of Presentation
Lecture Hall, Frontier Research in Applied Sciences Building, Hokkaido University (Sapporo, Japan)
Year and Date
2016-10-04
Related Report
Int'l Joint Research
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[Presentation] モット絶縁体超薄膜の熱電能2016
Author(s)
小野里尚記, 片瀬貴義, 張 雨橋, 藤平哲也, フウビン, 幾原雄一, 太田裕道
Organizer
2016年 第77回応用物理学会秋季学術講演会
Place of Presentation
朱鷺メッセ（新潟県新潟市）
Year and Date
2016-09-13
Related Report
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