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Ferroelectric properties of chemically synthesized perovskite BiFeO_3–PbTiO_3 thin films
http://hdl.handle.net/2237/11988
http://hdl.handle.net/2237/119886ca5cd69-64fd-479c-9e7e-c8e7e1423ae8
名前 / ファイル | ライセンス | アクション |
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JApplPhys_104_104106.pdf (484.6 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2009-07-29 | |||||
タイトル | ||||||
タイトル | Ferroelectric properties of chemically synthesized perovskite BiFeO_3–PbTiO_3 thin films | |||||
言語 | en | |||||
著者 |
Sakamoto, Wataru
× Sakamoto, Wataru× Iwata, Asaki× Yogo, Toshinobu |
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アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | Copyright (2008) 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. | |||||
抄録 | ||||||
内容記述 | Ferroelectric BiFeO_3–PbTiO_3 thin films with near morphotropic phase boundary composition were synthesized on Pt/TiO_x/SiO_2/Si substrates by chemical solution deposition. Perovskite BiFeO_3–PbTiO_3 single-phase thin films were successfully fabricated at 600 °C by optimizing several processing conditions, such as the PbTiO_3 content. Typical ferroelectric polarization-electric field (P-E) hysteresis loops were observed for (1−x)BiFeO_3–xPbTiO_3 (x=0.2, 0.3, 0.4, 0.5) thin films, which contained some leakage current components at room temperature. In the low temperature region, the BiFeO_3–PbTiO_3 thin films demonstrated improved insulating resistance and exhibited relatively saturated P-E hysteresis loops. Among these films, 0.7BiFeO_3-0.3PbTiO_3 thin films exhibited the largest remanent polarization, and the remanent polarization (P_r) and coercive field (E_c) at −190 °C were approximately 60 µC/cm2 and 230 kV/cm, respectively. Furthermore, Mn doping of the BiFeO_3–PbTiO_3 thin films was effective in changing the dominant leakage current factors and improving the ferroelectric properties of the resultant thin films at room temperature. The P_r and E_c values of 5 mol % Mn-doped 0.7BiFeO_3-0.3PbTiO_3 films at room temperature were approximately 40 µC/cm2 and 100 kV/cm, respectively. Potentially large remanent polarization (~90 µC/cm^2) was also demonstrated by the BF-PT thin films. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | American Institite of Physics | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/1.3026527 | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 0021-8979 | |||||
書誌情報 |
en : JOURNAL OF APPLIED PHYSICS 巻 104, p. 104106-104106, 発行日 2008-11-19 |
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フォーマット | ||||||
application/pdf | ||||||
著者版フラグ | ||||||
値 | publisher | |||||
URI | ||||||
識別子 | http://dx.doi.org/10.1063/1.3026527 | |||||
識別子タイプ | DOI | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/11988 | |||||
識別子タイプ | HDL |