FREQUENCY-DEPENDENCE OF AC SUSCEPTIBILITY IN SUPERCONDUCTING BIPBSRCACUO

Authors
ZAZO M TORRES L INIGUEZ J DEFRANCISCO C MUNOZ JM
Citation
M. Zazo et al., FREQUENCY-DEPENDENCE OF AC SUSCEPTIBILITY IN SUPERCONDUCTING BIPBSRCACUO, Journal of magnetism and magnetic materials, 144, 1995, pp. 1341-1342
Citations number
7
Categorie Soggetti
Material Science","Physics, Condensed Matter
Journal title
Journal of magnetism and magnetic materials → ACNP
ISSN journal
03048853
Volume
144
Year of publication
1995
Part
2
Pages
1341 - 1342
Database
ISI
SICI code
0304-8853(1995)144:<1341:FOASIS>2.0.ZU;2-J
Abstract
The frequency dependence of the ac susceptibility in polycrystalline s amples of Bi0.7Pb0.3SrCaCu1.8Ox has been studied in the range 1-20 kHz . The peak in the imaginary part of the susceptibility shifts slightly to higher temperature as the frequency increases. This behavior could be explained in terms of thermally activated nux creep. The activatio n energy for flux creep ranges from 2 eV at 0.06 Oe to 0.5 eV at 1.2 O e.