科研之友
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摘要
Ceramic KBiScNbO6 compound was synthesized for the first time. X-ray diffraction analysis revealed that at room temperature the samples consist of a mixture of the perovskite and pyrochlore phases. The dominant phase is the perovskite one. This phase can be described as distorted pseudocubic Pm3m structure with unit-cell parameter a(c) = 4.069 angstrom. Rhombohedral distortion leading the polar R3m phase is assumed to be one of possible structural distortions.
- 出版日期2014-2
