Crystallography of phase transition of YBa2Cu3O7−δ
- 14 March 1988
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 52 (11) , 933-934
- https://doi.org/10.1063/1.99225
Abstract
A space‐group theoretical approach has been applied to the high Tc superconducting oxide YBa2Cu3O7−δ (δ∼0.3) to explain the occurrence of coherent domain boundaries. This method quantitatively accounts for the transmission electron microscopy (TEM) observations of {110} twin boundaries in the room‐temperature orthorhombic phase. The possible nature of the relaxation of these twin boundaries and the atomic arrangement at these boundaries are briefly discussed.Keywords
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