Thermal conductivity of Hg0.9Tl0.2Ba2Ca2Cu3O8+delta in magnetic field

Citation
Bm. Wu et al., Thermal conductivity of Hg0.9Tl0.2Ba2Ca2Cu3O8+delta in magnetic field, ACT PHY C E, 49(2), 2000, pp. 267-271
Citations number
33
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Physics
Journal title
ACTA PHYSICA SINICA
ISSN journal
1000-3290 → ACNP
Volume
49
Issue
2
Year of publication
2000
Pages
267 - 271
Database
ISI
SICI code
1000-3290(200002)49:2<267:TCOHIM>2.0.ZU;2-3
Abstract
The thermal conductivity kappa (H, T) of Hg0.9Tl0.2Ba2Ca2Cu3O8+delta superc onductor with a transition temperature of 128 K has been measured between 7 -20 K and in magnetic fields of 0-6 Tesla. kappa (H, T) of the sample incre ases monotonically with increasing temperature in all investigated fields. It is significantly reduced upon the application of the magnetic field and finally reaches a field-independent value. The effects of magnetic field on the thermal conductivity for Hg0.9Tl0.2Ba2Ca2Cu3O8+delta superconductor ca n be attributed to an additional thermal resistivity due to the scattering of the normal electrons by vortices.