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Magnetic and dielectric behavior of the ruthenium double perovskite oxides $$R$$$$_{2}$$$$M$$RuO$$_{6}$$ ($$R$$=La, Pr and Nd, $$M$$=Mg, Co, Ni and Zn)

Yoshii, Kenji  ; Ikeda, Naoshi*; Mori, Shigeo*; Yoneda, Yasuhiro   ; Mizumaki, Masaichiro*; Tanida, Hajime*; Kawamura, Naomi*

Magnetic and dielectric properties of the ruthenium double perovskites $$R$$$$_{2}$$$$M$$RuO$$_{6}$$ were studied ($$M$$ = Co, Ni, Zn, Mg). The materials with the magnetic M$$^{2+}$$ ions ($$M$$ = Co and Ni) showed magnetic ordering and large dielectric constants (about 5000). On the other hand, for the non-magnetic M$$^{2+}$$ ions ($$M$$ = Mg and Zn), magnetic ordering was not observed. In addition, their dielectric constants were found to be small (about 100-200). Together with the result of the dielectric response, the large dielectric constants for $$M$$=Co and Ni may be related to a smooth response of polar regions. Investigations of the properties of $$R$$$$_{2}$$$$M$$RuO$$_{6}$$ with $$R$$=Pr and Nd are also being carried out, and their results are briefly discussed.

Language

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English

Journal

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Transactions of the Materials Research Society of Japan

Volume

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32

Number

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1

Pages

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p.51 - 54

Publication Year/Month

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2007/03

Meeting title

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第17回日本MRS学術シンポジウム

Held date

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2006/12

Location (city)

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東京

Location (country)

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日本

Patent information

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PDF

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Paper URL

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DOI for research data

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Keywords

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no keyword

Research Facility

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Press Release

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Article of JAEA R&D Review

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Cooperating Institute

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Accesses

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- Accesses

InCites™

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