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- W2789913610 abstract "We have measured magnetic susceptibility and resistivity of Sr$_{1-x}$Y$_x$CoO$_{3-delta}$ ($x=$ 0.1, 0.15, 0.2, 0.215, 0.225, 0.25, 0.3, and 0.4), and have found that Sr$_{1-x}$Y$_x$CoO$_{3-delta}$ is a room temperature ferromagnet with a Curie temperature of 335 K in a narrow compositional range of 0.2 $leq xleq$ 0.25. This is the highest transition temperature among perovskite Co oxides. The saturation magnetization for $x=$ 0.225 is 0.25 $mu_B$/Co at 10 K, which implies that the observed ferromagnetism is a bulk effect. We attribute this ferromagnetism to a peculiar Sr/Y ordering." @default.
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- W2789913610 date "2005-09-06" @default.
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- W2789913610 title "Room-temperature ferromagnetism in<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:msub><mml:mi mathvariant=normal>Sr</mml:mi><mml:mrow><mml:mn>1</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mi mathvariant=normal>Y</mml:mi><mml:mi>x</mml:mi></mml:msub><mml:mi mathvariant=normal>Co</mml:mi><mml:msub><mml:mi mathvariant=normal>O</mml:mi><mml:mrow><mml:mn>3</mml:mn><mml:mo>−</mml:mo><mml:mi>δ</mml:mi></mml:mrow></…" @default.
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- W2789913610 doi "https://doi.org/10.1103/physrevb.72.104408" @default.
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