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ANALYSIS OF TWIN DOMAIN STRUCTURE IN YBa_2Cu_3O_(7_x) SUPERCONDUCTOR
<正> It has been confirmed that YBa_2Cu_3O_(7-x) superconducting phase is an orthorhombic one belonging to the space group Pmmm with lattice constants a=3. 893A, b=3.820A and c=11.688A. There are many twin domains in this superconducting material studied with a TEM in this work. The reason for the formation of this twin domain structure and the characteristics of phase transformation have also been discussed.
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Chinese Science Bulletin
1989年22期

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