熔融织构的YBCO超导体的交流磁化率频率响应

1.南京大学物理系固体微结构国家重点实验室,南京,210093

2.南京大学物理系固体微结构国家重点实验室,南京,210093

3.南京大学物理系固体微结构国家重点实验室,南京,210093

4.南京大学物理系固体微结构国家重点实验室,南京,210093

5.南京大学物理系固体微结构国家重点实验室,南京,210093

6.南京工业大学物理系,南京,210009

FREQUENCY RESPONSE OF AC SUSCEPTIBILITY IN MELT TEXTUREDYBCO SUPERCONDUCTORS

在涡漩玻璃理论的基础上,我们推导出了交流磁化率的虚部峰值温度和频率的标度方程,可表示为Tp=Cf1/(v(z-1)).实验结果表明我们的标度方程和实验符合得很好.利用标度方程可以确定样品在磁场下的涡漩玻璃转变温度Tg和指数v(z-1)的数值.

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