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Low temperature dielectric and magnetic properties of Fe-ion-doped SrTiO<sub>3</sub>
http://hdl.handle.net/2297/48021
http://hdl.handle.net/2297/48021d73bdeba-1931-4196-b0b2-aadd0c00c41e
名前 / ファイル | ライセンス | アクション |
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GS-PR-FUJISHITA-H-1.pdf (603.1 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-06-26 | |||||
タイトル | ||||||
タイトル | Low temperature dielectric and magnetic properties of Fe-ion-doped SrTiO<sub>3</sub> | |||||
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 |
Fujishita, Hideshi
× Fujishita, Hideshi× Arai, Yuya× Okamoto, Hiroyuki× Yamaguchi, Toshihisa |
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書誌情報 |
Physica B: Condensed Matter 巻 521, p. 1-5, 発行日 2017-09-15 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0921-4526 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10673546 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.physb.2017.06.034 | |||||
出版者 | ||||||
出版者 | Elsevier | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Dielectric and magnetic properties of SrTi1−xFexO3 were measured for a single crystal sample (x=0.0032) and a ceramic sample (x=0.02). Temperature dependences of the dielectric constants were analyzed on the basis of a Vendik's formula, which describes a quantum paraelectric state accurately. A small amount of Fe impurities in the single crystal does not affect the characteristic temperatures of the dielectric properties, but does affect the quality of the crystal. This change in quality causes a large change in the dielectric constant of the quantum paraelectric state. The temperature dependence of the dielectric constant of the quantum paraelectric state of the ceramic sample is different from that of the single crystal not only quantitatively, but also qualitatively. The magnetic susceptibilities obey the typical Curie law, though a deviation of the Curie law was observed below 5 K for x=0.02. Crystals with the both concentrations remain in paramagnetic states at 2.5 K. The magnetic properties of SrTi1−xFexO3 can, in all likelihood, be explained by the orientation effect of free Fe3+ions. In addition, an antiferroelectric interaction suggested for EuTiO3 by an analysis of dielectric constants based on a Barrett's formula was turned out to be unnecessary following analysis of the same data based on the Vendik's formula. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Embargo Period 12 months | |||||
権利 | ||||||
権利情報 | Copyright © 2017 Elsevier (CC-BY NC ND) | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.sciencedirect.com/science/journal/09214526 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.elsevier.com/locate/issn/09214526 |