THEORY ON OXYGEN DEFICIENCY FOR YBA2CU3O7-DELTA HIGH-TC MATERIALS

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CHEN, WY
CHEN, IC
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O4 [物理学];
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0702 ;
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Theoretical study on oxygen deficiency for YBa2Cu3O7-delta high Tc materials has been carried out. The antibinding band on the Cu-O plane is considered and critical temperature have been calculated for different oxygen contents by employing ananisotropic model for high Tc superconductivity. Calculations show 90k and 60k plateaus in Tc as a function of oxygen stoichiometry which agree with the recent experiments.
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页码:35 / 40
页数:6
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