A model for the local structure of twin domains and domain boundaries in doped YBa2 (Cu1−xMx)3Oy superconductors
作者： I.S. Lyubutin
DOI: 10.1016/0921-4534(91)90528-7
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摘要: Abstract The structural transformations of the orthorhombic YBa 2 Cu 3 O 7 phase under influence impurity M atoms are considered. local structure twin domains and domain boundaries is analyzed for case when substituted in Cu1 sites induced “teragonal” appears. In important role additional oxygen captured by verified. A model new containing (CuM) superconductors contructed. this half (1) has five-fold coordinations can be occupied atoms. conditions coexistence with known , 6.5 6 phases considered both boundaries. y crystal explaining many experimental data suggested.
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