Polydomain structure of YBa2Cu3O7 single crystals
Osip'yan Yu. A. , Afonikova N. S. , Emel'chenko G. A. , Parsamyan T. K., Shmyt'ko I. M. , Shekhtman V. Sh.
An x-ray diffraction analysis has revealed a system of oriented structural domains in yttrium-barium cuprate crystals. The appearance of a regular substructure is linked with a high-temperature martensitic transition from a tetragonal phase to an orthorhombic phase (P A/mmm ^Pmmm).