The Synthesis and Characterization of Double-Layered Perovskite Sr_3Mo_2O_7(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
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概要
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Sr_3Mo_2O_7 is a member of the Ruddlesden-Popper type series of Sr_<n+1>Mo_nO_<3n+1> with n=2, a socalled double layered perovskite. We have successfully synthesized polycrystalline samples of singlephase Sr_3Mo_2O_7 with the aid of Ti_2O_3 as p(O_2) buffer. The phase-pure samples allowed us to perform measurements of the electrical resistivity and the magnetic susceptibility on Sr_3Mo_2O_7 for the first time. The resistivity revealed that Sr_3Mo_2O_7 is a metallic conductor from 300K to 30mK. The Pauli-paramagnetic behavior is observed in the susceptibility. This means that Sr_<n+1>Mo_nO_<3n+1> for n=1, 2, and ∞ all show the Pauli-paramagnetic metal behavior, in contrast to Sr_<n+1>Ru_nO_<3n+1> of an electronic analogue series.
- 社団法人日本物理学会の論文
- 2007-09-15
著者
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SHIRAKAWA Naoki
Nanoelectronics Research Institute, AIST
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Shirakawa Naoki
Nanoelectronics Research Institute Aist
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TOKIWA Kazuyasu
Department of Applied Electronics, Faculty of Industrial Science and Technology, Tokyo University of
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WATANABE Tsuneo
Department of Applied Electronics, Faculty of Industrial Science and Technology, Tokyo University of
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Kouno Shinji
Department Of Applied Electronics Tokyo University Of Science
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Tokiwa Kazuyasu
Department Of Applied Electronics Tokyo University Of Science
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Tokiwa Kazuyasu
Department Of Applied Electronics Science University Of Tokyo
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NAGAI Ichiro
Nanoelectronics Research Institute
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UMEYAMA Norio
Nanoelectronics Research Institute
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Shirakawa Naoki
Nanoelectronics Research Institute
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Watanabe Tsuneo
Department Of Applied Electronics Tokyo University Of Science
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Watanabe Tsuneo
Department Of Applied Electronics Faculty Of Industrial Science And Technology Science University Of
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Watanabe Tsuneo
Departmen of Electrical Engineering, Tokyo Metropolitan University
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