High field pinning-effects in YBa2Cu3O7/La0.7Sr0.3MnO3 nanocrystalline bilayers
Journal
Physica C: Superconductivity and its Applications
Journal Volume
437-438
Journal Issue
SPEC. ISS.
Pages
187-189
Date Issued
2006
Author(s)
Abstract
The pinning behavior in YBa2Cu3O7/La0.7Sr0.3MnO3 (YBCO/LSMO) nanocrystalline bilayers grown on (1 0 0) LaAlO3 substrate has been investigated. It is found that by increasing the thickness of LSMO(t) from 0 to 40 nm, the critical current density Jc of YBCO is suppressed. However, in the bilayer with t = 30 nm, an enhancement of Jc is observed at high field, which may be caused by the magnetic pinning of LSMO layer. © 2006 Elsevier B.V. All rights reserved.
Type
journal article