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X-Ray diffraction on rare earth-3d Laves phase compound ErCo2 in magnetic field

机译:稀土3d Laves相化合物ErCo2在磁场中的X射线衍射

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X-Ray powder diffraction method is used to investigate the effect of magnetic ordering and external magnetic field on crystal structure of Laves phase intermetallic compound ErCo2. The diffraction patterns were recorded at temperatures from 300 K down to 8.5 K in magnetic field up to 5 T. Distortion of the room-temperature cubic structure was found in magnetically ordered state below 32 K. The symmetry at low temperature is rhombohedral in agreement with literature results. Or lower symmetry than it. However the symmetry of the unit cell increases to cubic in external magnetic field of 5 T. (c) 2006 Elsevier B.V. All rights reserved.
机译:采用X射线粉末衍射法研究了磁有序性和外部磁场对Laves相金属间化合物ErCo2的晶体结构的影响。在300 K至8.5 K的温度下(最高5 T)的温度下记录了衍射图。发现室温立方结构在32 K以下以磁有序状态发生了扭曲。低温下的对称性是菱面体,与文献结果。或比它更低的对称性。但是,在5 T的外部磁场中,晶胞的对称性增加到立方。(c)2006 Elsevier B.V.保留所有权利。

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