Inductance of YBa2Cu3O7-δ Thin-Films With and Without Superconducting Ground Planes

被引：8
|
作者：
Cai, Han [1 ]
Li, Hao [1 ]
Cho, Ethan Y. [1 ]
Cybart, Shane A. [1 ]
机构：
[1] Univ Calif Riverside, Dept Elect & Comp Engn, Riverside, CA 92521 USA
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2020年 / 30卷 / 07期
基金：
美国国家科学基金会; 美国国家卫生研究院;
关键词：
Geometric inductance; ground plane; kinetic inductance; multilayer; YBa2Cu3O7-delta (YBCO);
D O I：
10.1109/TASC.2020.2999390
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We experimentally measured and compared the sheet inductance of YBa2Cu3O7-delta (YBCO) films with and without superconducting ground planes. Specifically, we fabricated several superconducting quantum interference devices from single and multilayer films with different geometries using a focused helium ion beam. Measurements of the device electrical transport properties were analyzed to determine the sheet inductance. Additionally, temperature dependent measurements of the inductance were used in order to separate the contributions from geometric and kinetic inductance. We found that the presence of a ground plane in our multilayer structure significantly reduces the contribution of the geometric inductance with no detectable change in the kinetic inductance.
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页数：5
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