摘要As an important functional material, Bi2O3 is found in seven polymorphs. We systematically analyze the transformation from α-, β- and ϵ- to δ-Bi2O3 by using crystallographic group theory and structural simulations. A transition phase is proved to exist in the transformation from the α-, β- and ϵ-Bi2O3 to δ-Bi2O3. The transition phase is supposed to be tetragonal phase Bi2O2.7 (Z=2) with the 139th I 4/m 2/m 2/m space group.
Abstract：As an important functional material, Bi2O3 is found in seven polymorphs. We systematically analyze the transformation from α-, β- and ϵ- to δ-Bi2O3 by using crystallographic group theory and structural simulations. A transition phase is proved to exist in the transformation from the α-, β- and ϵ-Bi2O3 to δ-Bi2O3. The transition phase is supposed to be tetragonal phase Bi2O2.7 (Z=2) with the 139th I 4/m 2/m 2/m space group.
(Specific approaches applied to studies of phase transitions)
引用本文:
DENG Hong-Yan;HAO Wei-Chang;XU Huai-Zhe**
. A Transition Phase in the Transformation from α-;, β- and ϵ- to δ-Bismuth Oxide[J]. 中国物理快报, 2011, 28(5): 56101-056101.
DENG Hong-Yan, HAO Wei-Chang, XU Huai-Zhe**
. A Transition Phase in the Transformation from α-;, β- and ϵ- to δ-Bismuth Oxide. Chin. Phys. Lett., 2011, 28(5): 56101-056101.
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