Neutron diffraction studies of temperature induced phase transitions in Rb_2KFeF_6 el-pasolite

机译：RB_2KFEF_6 EL-Pasolite中温度诱导相转变的中子衍射研究

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A neutron diffraction study of temperature induced phase transition in Rb_2KFeF_6 elpasolite has been performed. At room temperature the structure is cubic with space group Fm3m. At T = 170 K a structural phase transition takes place. Space group and atom coordinates in this phase has been defined. The crystal structure is good refined by orthorhombic space group Pmnn. Possible models are discussed.

机译：已经进行了RB_2KFEF_6 ELPASOLITE中温度诱导相转变的中子衍射研究。在室温下，结构是与空间组FM3M的立方体。在T = 170 k处发生结构相位转变。已经定义了该阶段的空间组和原子坐标。晶体结构由正交空间组PMNN精制优质。讨论了可能的模型。

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《European Powder Diffraction Conference vol.2》|2006年||共6页
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S. G. Vasilovsky; V. V. Sikolenko; A. I. Beskrovny; A. V. Belushkin; I. N. Flerov; A. Tressaud; A. M. Balagurov;
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中图分类工程材料一般性问题;
关键词
neutron diffraction; elpasolites; Rietveld analysis;

机译：中子衍射;Elpasolites;Rietveld分析;

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Neutron diffraction studies of temperature induced phase transitions in Rb_2KFeF_6 el-pasolite

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