Thickness dependence of ac losses in circular disks of YBa2Cu3O7 films in perpendicular magnetic fields

M. Suenaga; Q. Li; Z. Ye; M. Iwakuma; K. Toyota; F. Funaki; S. R. Foltyn; H. Wang; John R. Clem

doi:10.1063/1.1630695

Thickness dependence of ac losses in circular disks of YBa₂Cu₃O₇ films in perpendicular magnetic fields

M. Suenaga, Q. Li, Z. Ye, M. Iwakuma, K. Toyota, F. Funaki, S. R. Foltyn, H. Wang, John R. Clem

Applied Energy Engineering

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

Abstract

The continued development of so-called "coated conductors" using a high-critical-temperature superconductor, YBa₂Cu₃O₇(YBCO), a number of applications are being planned using these conductors. As such, the calculated losses based on the Bean critical-current model are shown to agree well with the measured ones at low fields. This paper reports on measurements of the losses in YBCO films in perpendicular ac fields as a function of film thickness from 0.2 to 3.0 μm, and on analysis of the losses using the given theories.

Original language	English
Pages (from-to)	208-213
Number of pages	6
Journal	Journal of Applied Physics
Volume	95
Issue number	1
DOIs	https://doi.org/10.1063/1.1630695
Publication status	Published - Jan 1 2004

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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AU - Toyota, K.

AU - Funaki, F.

AU - Foltyn, S. R.

AU - Wang, H.

AU - Clem, John R.

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AB - The continued development of so-called "coated conductors" using a high-critical-temperature superconductor, YBa2Cu3O7(YBCO), a number of applications are being planned using these conductors. As such, the calculated losses based on the Bean critical-current model are shown to agree well with the measured ones at low fields. This paper reports on measurements of the losses in YBCO films in perpendicular ac fields as a function of film thickness from 0.2 to 3.0 μm, and on analysis of the losses using the given theories.

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