Matching effect and flux pinning force in a Nb superconducting thin film with a triangular lattice of artificial pinning centers

Lance Horng; J. C. Wu; P. C. Kang; T. C. Wu; T. J. Yang

doi:10.1016/j.jmmm.2003.12.1040

Matching effect and flux pinning force in a Nb superconducting thin film with a triangular lattice of artificial pinning centers

Lance Horng, J. C. Wu, P. C. Kang, T. C. Wu, T. J. Yang

Department of Physics

Research output: Contribution to journal › Article

Abstract

A strong pinning force in a Nb superconducting thin film is formed by a triangular lattice of defects due to the structural corrugation that acts as pinning centers. The magnetoresistance measurement close to the transition temperature shows a set of minima of magnetoresistance at equal external field intervals. A crossover in current-voltage relations with matching field and half-integer matching field occurs for currents exceeding a certain threshold value. The phenomenon is related to the presence of pinning structures at matching fields.

Original language	English
Pages (from-to)	e1107-e1108
Journal	Journal of Magnetism and Magnetic Materials
Volume	272-276
Issue number	SUPPL. 1
DOIs	https://doi.org/10.1016/j.jmmm.2003.12.1040
Publication status	Published - 2004 May 1

Fingerprint

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

Cite this

Horng, L., Wu, J. C., Kang, P. C., Wu, T. C., & Yang, T. J. (2004). Matching effect and flux pinning force in a Nb superconducting thin film with a triangular lattice of artificial pinning centers. Journal of Magnetism and Magnetic Materials, 272-276(SUPPL. 1), e1107-e1108. https://doi.org/10.1016/j.jmmm.2003.12.1040

@article{300e2e38da4a462b86c29b4db7855660,

title = "Matching effect and flux pinning force in a Nb superconducting thin film with a triangular lattice of artificial pinning centers",

abstract = "A strong pinning force in a Nb superconducting thin film is formed by a triangular lattice of defects due to the structural corrugation that acts as pinning centers. The magnetoresistance measurement close to the transition temperature shows a set of minima of magnetoresistance at equal external field intervals. A crossover in current-voltage relations with matching field and half-integer matching field occurs for currents exceeding a certain threshold value. The phenomenon is related to the presence of pinning structures at matching fields.",

author = "Lance Horng and Wu, {J. C.} and Kang, {P. C.} and Wu, {T. C.} and Yang, {T. J.}",

year = "2004",

month = "5",

day = "1",

doi = "10.1016/j.jmmm.2003.12.1040",

language = "English",

volume = "272-276",

pages = "e1107--e1108",

journal = "Journal of Magnetism and Magnetic Materials",

issn = "0304-8853",

publisher = "Elsevier",

number = "SUPPL. 1",

}

TY - JOUR

T1 - Matching effect and flux pinning force in a Nb superconducting thin film with a triangular lattice of artificial pinning centers

AU - Horng, Lance

AU - Wu, J. C.

AU - Kang, P. C.

AU - Wu, T. C.

AU - Yang, T. J.

PY - 2004/5/1

Y1 - 2004/5/1

N2 - A strong pinning force in a Nb superconducting thin film is formed by a triangular lattice of defects due to the structural corrugation that acts as pinning centers. The magnetoresistance measurement close to the transition temperature shows a set of minima of magnetoresistance at equal external field intervals. A crossover in current-voltage relations with matching field and half-integer matching field occurs for currents exceeding a certain threshold value. The phenomenon is related to the presence of pinning structures at matching fields.

AB - A strong pinning force in a Nb superconducting thin film is formed by a triangular lattice of defects due to the structural corrugation that acts as pinning centers. The magnetoresistance measurement close to the transition temperature shows a set of minima of magnetoresistance at equal external field intervals. A crossover in current-voltage relations with matching field and half-integer matching field occurs for currents exceeding a certain threshold value. The phenomenon is related to the presence of pinning structures at matching fields.

UR - http://www.scopus.com/inward/record.url?scp=23144439110&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=23144439110&partnerID=8YFLogxK

U2 - 10.1016/j.jmmm.2003.12.1040

DO - 10.1016/j.jmmm.2003.12.1040

M3 - Article

AN - SCOPUS:23144439110

VL - 272-276

SP - e1107-e1108

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

SN - 0304-8853

IS - SUPPL. 1

ER -

Access to Document

10.1016/j.jmmm.2003.12.1040