Magnetization loops and pinning force of Bi-2212 single-crystal whiskers

► We observed symmetric and asymmetric magnetization loops of single crystal Bi-2212 whiskers. ► Dependencies of pinning force on magnetic field demonstrate different positions of the maximum. ► The extended Valkov–Khrustalev model fits the magnetization loops at different temperatures. ► The estima...

Full description

Saved in:
Bibliographic Details
Published in:Physica. C, Superconductivity Superconductivity, 2011-04, Vol.471 (7), p.217-221
Main Authors: Altin, S., Gokhfeld, D.M.
Format: Article
Language:English
Subjects:
Asymmetry
Bi-2212
BISMUTH OXIDE
COPPER OXIDE
Extended critical state model
MAGNETIC FIELD
Magnetic fields
Magnetization
Magnetization loop
MATHEMATICAL ANALYSIS
Mathematical models
PINNING
Pinning force
SINGLE CRYSTALS
SUPERCONDUCTIVITY
SUPERCONDUCTORS
Whisker
WHISKERS
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:► We observed symmetric and asymmetric magnetization loops of single crystal Bi-2212 whiskers. ► Dependencies of pinning force on magnetic field demonstrate different positions of the maximum. ► The extended Valkov–Khrustalev model fits the magnetization loops at different temperatures. ► The estimated pinning force may be defined not only the point defects but the sample size too. Dependence of magnetization on applied magnetic field for single-crystal Bi-2212 whiskers was measured at different temperatures. Symmetric and asymmetric magnetization loops were successfully described by the extended critical state model (the extended Valkov–Khrustalev model). Pinning force of whiskers was investigated.
ISSN:0921-4534
1873-2143
DOI:10.1016/j.physc.2011.01.006