Thermodynamics of the Superconducting Phase Transition on High Tc Superconductor RBa2Cu3Oy

Xing Xianran; Qiao Zhiyu

doi:10.13374/j.issn1001-053x.1996.01.010

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Xing Xianran, Qiao Zhiyu. Thermodynamics of the Superconducting Phase Transition on High Tc Superconductor RBa2Cu3Oy[J]. Chinese Journal of Engineering, 1996, 18(1): 42-45. doi: 10.13374/j.issn1001-053x.1996.01.010

Citation:

Xing Xianran, Qiao Zhiyu. Thermodynamics of the Superconducting Phase Transition on High T_c Superconductor RBa₂Cu₃O_y[J]. Chinese Journal of Engineering, 1996, 18(1): 42-45. doi: 10.13374/j.issn1001-053x.1996.01.010

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Thermodynamics of the Superconducting Phase Transition on High T_c Superconductor RBa₂Cu₃O_y

doi: 10.13374/j.issn1001-053x.1996.01.010

Department of Physical Chemistry, USTB, Beijing 100083, PRC

Received Date: 1995-08-13
Available Online: 2021-10-29

Abstract

Abstract

The property of superconducting phase transition of the high Tc superconductor RBa₂Cu₃O_y (R:most rare earth elements) was investigated. The conclusion was drawn that the phase transition changed from first order in magnetic field to second order in non-magnetic field. The representation of the Gibbs free energy of the superconductor RBa₂Cu₃O_y at the superconducting-normla state transition in non-magnetic field was derived.
- phase transformations,
- thermodynamics,
- Gibbs free energy/high T_c superconductor,
- RBA₂Cu₃O_y