Magnetic and dielectric properties of electronic ferroelectric RFe $_{2}$ O $_{4}$ and related oxides (R: rare earths)

Yoshii, Kenji ; Ikeda, Naoshi*; Okajima, Yuka; Yoneda, Yasuhiro ; Matsuo, Yoji*; Horibe, Yoichi*; Mori, Shigeo*

We have investigated the magnetic and dielectric properties of electronic ferroelectric oxides RFe $_{2}$ O $_{4}$ (R: rare earths) and their derivative materials. It was found that the magnetic transition temperature and the dielectric constant showed a possible relationship with electrical resistivity. In consideration of the mechanism of the ferroelectricity in RFe $_{2}$ O $_{4}$ , this result suggests that the magnetic and dielectric properties are likely rooted in the electron transfer at the Fe-site ions.

Language	:	Japanese
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Meeting title	:	日本物理学会2008年秋季大会(物性)
Held date	:	2008/09
Location (city)	:	盛岡
Location (country)	:	日本
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Keywords	:	no keyword
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Registration No. : BB20081562
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Magnetic and dielectric properties of electronic ferroelectric RFeO and related oxides (R: rare earths)

Magnetic and dielectric properties of electronic ferroelectric RFe $_{2}$ O $_{4}$ and related oxides (R: rare earths)