Weak Ferromagnetism in LaCo1-xRhxO3: Anomalous Magnetism Emerging between Two Nonmagnetic End Phases
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概要
- 論文の詳細を見る
Magnetization has been measured for polycrystalline samples of LaCo1-xRhxO3 (0 \leq x \leq 0.9) in order to investigate the magnetism induced in the solid solution of two nonmagnetic end phases of LaCoO3 and LaRhO3. It is found that a ferromagnetic transition is observed below 15 K in the x range from 0.1 to 0.4. The effective Bohr magnetic moment evaluated from the temperature dependence of magnetic susceptibility at around room temperature is independent of x for 0 < x < 0.5 (approximately 3 \mu_{\text{B}} per formula unit), and rapidly decreases above x = 0.5. On the basis of detailed magnetization measurements, the spin state and magnetic ordering of LaCo1-xRhxO3 are discussed.
- 2011-10-15
著者
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Terasaki Ichiro
Department Of Applied Physics The University Of Tokyo
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Asai Shinichiro
Department Of Internal Medicine Saiseikai Central Hospital
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Yasui Yukio
Department Of Physics Division Of Material Science Nagoya University
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Asai Shinichiro
Department of Physics, Nagoya University, Nagoya 464-8602, Japan
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Yasui Yukio
Department of Physics, Nagoya University, Nagoya 464-8602, Japan
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Furuta Noriyasu
Department of Physics, Nagoya University, Nagoya 464-8602, Japan
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