Magnetic field and current dependence of average activation energy in YBCOhigh-T-c granular superconductors

Authors
Popescu, VA Stepanescu, A
Citation
Va. Popescu et A. Stepanescu, Magnetic field and current dependence of average activation energy in YBCOhigh-T-c granular superconductors, MOD PHY L B, 15(16), 2001, pp. 555-559
Citations number
13
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
MODERN PHYSICS LETTERS B
ISSN journal
02179849 → ACNP
Volume
15
Issue
16
Year of publication
2001
Pages
555 - 559
Database
ISI
SICI code
0217-9849(20010710)15:16<555:MFACDO>2.0.ZU;2-K
Abstract
The temperature dependence of the electrical resistance noise in the presen ce of a magnetic field in polycrystalline YBCO samples was fitted with an a verage activation energy which decreases with magnetic field and with bias electrical current.