High field pinning-effects in YBa2Cu3O7/La0.7Sr0.3MnO3 nanocrystalline bilayers

J. G. Lin; S. L. Cheng

doi:10.1016/j.physc.2005.12.030

High field pinning-effects in YBa₂Cu₃O₇/La_0.7Sr_0.3MnO₃ nanocrystalline bilayers

J. G. Lin, S. L. Cheng

Department of Chemical and Materials Engineering

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

6 Scopus citations

Abstract

The pinning behavior in YBa₂Cu₃O₇/La_0.7Sr_0.3MnO₃ (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 J_c of YBCO is suppressed. However, in the bilayer with t = 30 nm, an enhancement of J_c is observed at high field, which may be caused by the magnetic pinning of LSMO layer.

Original language	English
Pages (from-to)	187-189
Number of pages	3
Journal	Physica C: Superconductivity and its applications
Volume	437-438
Issue number	SPEC. ISS.
DOIs	https://doi.org/10.1016/j.physc.2005.12.030
State	Published - 15 May 2006

Keywords

Critical current
Ferromagnetic/superconducting bilayer
Pinning effect

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10.1016/j.physc.2005.12.030

Cite this

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title = "High field pinning-effects in YBa2Cu3O7/La0.7Sr0.3MnO3 nanocrystalline bilayers",

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.",

keywords = "Critical current, Ferromagnetic/superconducting bilayer, Pinning effect",

author = "Lin, {J. G.} and Cheng, {S. L.}",

note = "Funding Information: The financial supports of this work are from the Ministry of Economics Affair (93-EC-17-A-08-S1-0006) and the National Science Counsel of ROC (NSC-93-2112-M-002-039).",

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T1 - High field pinning-effects in YBa2Cu3O7/La0.7Sr0.3MnO3 nanocrystalline bilayers

AU - Lin, J. G.

AU - Cheng, S. L.

N1 - Funding Information: The financial supports of this work are from the Ministry of Economics Affair (93-EC-17-A-08-S1-0006) and the National Science Counsel of ROC (NSC-93-2112-M-002-039).

PY - 2006/5/15

Y1 - 2006/5/15

N2 - 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.

AB - 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.

KW - Critical current

KW - Ferromagnetic/superconducting bilayer

KW - Pinning effect

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U2 - 10.1016/j.physc.2005.12.030

DO - 10.1016/j.physc.2005.12.030

M3 - 期刊論文

AN - SCOPUS:33745477712

VL - 437-438

SP - 187

EP - 189

JO - Physica C: Superconductivity and its applications

JF - Physica C: Superconductivity and its applications

SN - 0921-4534

IS - SPEC. ISS.