High-density carrier-accumulated and electrically stable oxide thin-film transistors from ion-gel gate dielectric
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The use of indium-gallium-zinc oxide (IGZO) has paved the way for high-resolution uniform displays or integrated circuits with transparent and flexible devices. However, achieving highly reliable devices that use IGZO for low-temperature processes remains a technological challenge. We propose the use of IGZO thin-film transistors (TFTs) with an ionic-liquid gate dielectric in order to achieve high-density carrier-accumulated IGZO TFTs with high reliability, and we discuss a distinctive mechanism for the degradation of this organic-inorganic hybrid device under long-term electrical stress. Our results demonstrated that an ionic liquid or gel gate dielectric provides highly reliable and low-voltage operation with IGZO TFTs. Furthermore, high-density carrier accumulation helps improve the TFT characteristics and reliability, and it is highly relevant to the electronic phase control of oxide materials and the degradation mechanism for organic-inorganic hybrid devices.
収録刊行物
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- Scientific Reports
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Scientific Reports 5 2015-12-18
Macmillan Publishers
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詳細情報 詳細情報について
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- CRID
- 1050295834376011008
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- NII論文ID
- 120005716880
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- NII書誌ID
- AA10703873
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- ISSN
- 20452322
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- HANDLE
- 10061/10464
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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