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首页> 外文期刊>Physica status solidi, B. Basic research >Structural and magnetic properties of indium-gadolinium oxide as a function of temperature
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Structural and magnetic properties of indium-gadolinium oxide as a function of temperature

机译:氧化铟-的结构和磁性随温度的变化

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The addition of In2O3 to Gd2O3 results in the formation of solid solutions having the high pressure monoclinic and hexagonal phases of gadolinium oxide. The thermal stability and their thermal expansion coefficients were investigated up to 1000 degrees C using in situ X-ray diffraction. No phase transitions were observed in these samples up to 1000 degrees C. Volume thermal expansion coefficients for the hexagonal and monoclinic phases of bulk Gd2-xInxO3 for x=0.5 and 1.0 showed increasing trend in comparison to the end compound of In2O3. The inverse susceptibility measurements between 300 and 5K showed the linear relationship with temperature consistent with the Curie-Weiss law. The Weis constants were small and negative, indicating a slight degree of anti-ferromagnetic exchange between cations and consistent with the absence of magnetic order down to 5K.
机译:向Gd2O3中添加In2O3会导致形成具有氧化cli高压单斜相和六方相的固溶体。使用原位X射线衍射研究了高达1000摄氏度的热稳定性及其热膨胀系数。在这些样品中,直至1000摄氏度,都没有观察到相变。对于x = 0.5和1.0,Gd2-xInxO3块体Gd2-xInxO3的六方相和单斜晶相的体积热膨胀系数与In2O3的最终化合物相比显示出增加的趋势。 300到5K之间的磁化强度反比测量结果显示,其与温度的线性关系符合居里-魏斯定律。 Weis常数小且为负,表明阳离子之间存在轻微的反铁磁交换,并且与低至5K的无磁序一致。

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