Impact of Calcium Doping on BaZrO3 / YBa2Cu3O7-δ Multilayer Film Properties Over a Range of Film Thickness

IF 1.7 3区物理与天体物理 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Applied Superconductivity Pub Date : 2025-02-12 DOI:10.1109/TASC.2025.3540827

Mary Ann Sebastian;Charlie Ebbing;Victor Ogunjimi;Mohan Panth;Aafiya;Judy Wu;Di Zhang;Motteo Moceri;Jianan Shen;Haiyan Wang;Timothy Haugan

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引用次数: 0

Abstract

Incorporating

$\text{BaZrO}_{3}\,(\text{BZO})$

nanorods in

$\text{YBa}_{2}\text{Cu}_{3}\text{O}_{7-\delta }\,(\text{YBCO})$

thin films has resulted in increased flux pinning and current density of the superconducting films. The lattice mismatch between the BZO nanorods and the YBCO matrix, however, leads to a defective interface, which inhibits attaining optimum performance. Our previous research has shown that inserting Ca doped YBCO space layers between layers of BZO doped YBCO in multilayer films produced by pulsed laser deposition, has the ability to repair this interface, leading to improved performance. This research further explores the degree of this interface repair and limits that may exist as the BZO/YBCO layer thickness is increased beyond 50 nm. Magnetic current density and flux pinning will be measured for temperatures ranging from 5 K–65 K and fields from 0–9 Tesla, presenting results applicable for high temperature and low field, mid temperature and mid field, and low temperature high field applications.

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来源期刊

IEEE Transactions on Applied Superconductivity 工程技术-工程：电子与电气

CiteScore

3.50

自引率

33.30%

发文量

650

审稿时长

2.3 months

期刊介绍： IEEE Transactions on Applied Superconductivity (TAS) contains articles on the applications of superconductivity and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Large scale applications include magnets for power applications such as motors and generators, for magnetic resonance, for accelerators, and cable applications such as power transmission.