Features of the Elastic Properties of HTSC Ceramics in the Transition Zone to the Superconducting Phase
- 作者: Korobov A.1, Kokshaysky A.1, Shirgina N.1, Odina N.1, Agafonov A.1, Rzhevsky V.1
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隶属关系:
- Moscow State University, Department of Physics
- 期: 卷 65, 编号 6 (2019)
- 页面: 658-664
- 栏目: Nonlinear Acoustics
- URL: https://journals.rcsi.science/1063-7710/article/view/187007
- DOI: https://doi.org/10.1134/S1063771019060058
- ID: 187007
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详细
The article presents the results of studies of the elastic properties of the YBa2Cu3O(7 –x) high-temperature superconducting ceramic in the vicinity of the phase transition to the superconducting state at a temperature of 91.3 K and room temperature of 293 K. Near the phase transition temperature with a width of ~10 K, a local increase in longitudinal nonlinear acoustic parameter N was revealed for the first time, which characterizes anharmonic interatomic interaction in the material. Experimental studies of the linear and nonlinear elastic properties of the YBa2Cu3O(7 –x) HTSC ceramic near the superconducting transition zone show that the electronic phase transition significantly influences its elastic properties.
作者简介
A. Korobov
Moscow State University, Department of Physics
编辑信件的主要联系方式.
Email: aikor42@mail.ru
俄罗斯联邦, Moscow, 119991
A. Kokshaysky
Moscow State University, Department of Physics
Email: aikor42@mail.ru
俄罗斯联邦, Moscow, 119991
N. Shirgina
Moscow State University, Department of Physics
Email: aikor42@mail.ru
俄罗斯联邦, Moscow, 119991
N. Odina
Moscow State University, Department of Physics
Email: aikor42@mail.ru
俄罗斯联邦, Moscow, 119991
A. Agafonov
Moscow State University, Department of Physics
Email: aikor42@mail.ru
俄罗斯联邦, Moscow, 119991
V. Rzhevsky
Moscow State University, Department of Physics
Email: aikor42@mail.ru
俄罗斯联邦, Moscow, 119991