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  1. 学術雑誌論文

Enhancement of spontaneous polarization in lead zirconate titanate thin films by Dy3+ substitution

http://hdl.handle.net/10173/794
http://hdl.handle.net/10173/794
2948bcc7-b84c-44b0-83b2-03deb9a86c61
名前 / ファイル ライセンス アクション
APL_87_182906.pdf APL_87_182906.pdf (490.3 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2012-03-17
タイトル
タイトル Enhancement of spontaneous polarization in lead zirconate titanate thin films by Dy3+ substitution
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
著者 Nakaki, Hiroshi

× Nakaki, Hiroshi

Nakaki, Hiroshi

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Uchida, Hiroshi

× Uchida, Hiroshi

Uchida, Hiroshi

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Koda, Seiichiro

× Koda, Seiichiro

Koda, Seiichiro

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Okamoto, Shoji

× Okamoto, Shoji

Okamoto, Shoji

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Funakubo, Hiroshi

× Funakubo, Hiroshi

Funakubo, Hiroshi

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Nishida, Ken

× Nishida, Ken

Nishida, Ken

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Katoda, Takashi

× Katoda, Takashi

Katoda, Takashi

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Saito, Keisuke

× Saito, Keisuke

Saito, Keisuke

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抄録
内容記述タイプ Abstract
内容記述 Spontaneous polarization can be enhanced by increasing the crystal anisotropy of tetragonal Pb(Zr,Ti)O3 [PZT] lattice by Zr and Ti-site substitution with Dy3+ cations. Spontaneous polarization (Ps) in epitaxial film of 2% Dy3+-substituted tetragonal Pb(Zr0.40Ti0.60)O3 [Dy–PZT] was compared with that of nonsubstituted Pb(Zr0.40Ti0.60)O3 [PZT] to investigate intrinsic contribution of the Dy3+ substituion to the Ps improvement. Epitaxial thin films of PZT and Dy–PZT with (111) orientations were grown on (111)cSrRuO3//(111)Pt//(100)YSZ//(100)Si substrates by chemical solution deposition. The saturated polarization values of PZT and Dy-PZT films with (111) orientation were 41 and 48 µC/cm2, respectively. The estimated Ps values of PZT and Dy–PZT films from the saturation polarization values were 71 and 84 µC/cm2, respectively. The Ps value of this PZT was in good agreement with previous reports. The increase in Ps of the epitaxial Dy3+-substituted PZT film is attributed to the enhancement of the crystal anisotropy, i.e., tetragonality, of the tetragonal PZT lattice. This shows that the enhancement of the ferroelectricity of the tetragonal PZT films can be achieved by ion substitution, just as it can in Bi4Ti3O12-based film.
書誌情報 Applied Physics Letters

巻 87, 号 18, p. 182906, 発行日 2005-10-26
ISSN
収録物識別子タイプ ISSN
収録物識別子 0003-6951@@@1077-3118
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA00543431@@@AA11868096
DOI
関連タイプ isIdenticalTo
識別子タイプ DOI
関連識別子 10.1063/1.2125123
権利
権利情報 Copyright 2005 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
The following article appeared in Applied Physics Letters 87, 182906, (2005) and may be found at http://link.aip.org/link/?apl/87/182906.
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
出版者
出版者 American Institute of Physics
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