Hysteresis Behavior of Capacitance–Voltage Curve in (Ba0.6Sr0.4)TiO3 Thick Films Caused by Strained Heterostructure
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概要
- 論文の詳細を見る
(Ba0.6Sr0.4)TiO3 (BST) films with 300–1700 nm thicknesses were deposited on SrTiO3 (STO), 0.5 wt % Nb-doped STO and (La0.5Sr0.5)CoO3-coated STO substrates by pulsed laser deposition. X-ray diffraction analysis results indicate that the deposited BST thick films were epitaxially grown on the substrates and $c$-lattice parameter of BST was increased compared with that of the bulk material owing to stress in the film. The fabricated film capacitors showed a hysteresis curve in the capacitance–voltage curve at room temperature. Hysteresis width linearly increased with increasing BST $c$-lattice parameter.
- 2009-09-25
著者
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Fukuda Yuji
Graduate School Of Science And Engineering Yamaguchi University
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Kawae Takeshi
Graduate School Of Natural Science And Technology Kanazawa University
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Morimoto Akiharu
Graduate School Of Natural Science And Technology Kanazawa University
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Morito Kentaro
Taiyo Yuden Co. Ltd.
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Munetomo Kenshiro
Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
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Fukuda Yuji
Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
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