Inductance of YBa Cu O Thin-Films With and Without Superconducting Ground Planes

We experimentally measured and compared the sheet inductance of YBa_{2}Cu_{3}O_{7-\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...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2020-10, Vol.30 (7), p.1-5
Main Authors: Cai, Han, Li, Hao, Cho, Ethan Y., Cybart, Shane A.
Format: Article
Language:English
Subjects:
Automobiles
Automotive engineering
Batteries
Change detection
Geometric inductance
Ground plane
Helium ions
Inductance
Industries
Ion beams
kinetic inductance
Motorcycles
multilayer
Multilayers
Prototypes
Roads
Superconducting quantum interference devices
Superconductivity
Temperature dependence
Thin films
Transport properties
YBa<inline-formula xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <tex-math notation="LaTeX"> _{2}</tex-math> </inline-formula>Cu<inline-formula xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <tex-math notation="LaTeX"> _{3}</tex-math> </inline-formula>O<inline-formula xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <tex-math notation="LaTeX"> _{7-\delta }</tex-math> </inline-formula> (YBCO)
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Summary:We experimentally measured and compared the sheet inductance of YBa_{2}Cu_{3}O_{7-\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.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2020.2999390