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Theory of the thermal conductivity of metallic localized spin compounds in a magnetic field
Rassili, Ahmed; Ausloos, Marcel
1996In Journal of Magnetism and Magnetic Materials, 163 (1-2), p. 153-163
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Keywords :
thermal conductivity; RE Al-2 compounds; variational method; magnetic field; mean field approximation
Abstract :
[en] We calculated the influence of a de magnetic field on the thermal conductivity of localized spin metallic systems as a function of temperature. A variational method was used. The influence of the joint impurity and phonon scattering processes together with the localized spin influence is shown. Remarkable features are found at low temperature and near the critical transition. An increase of conductivity with field near T-C is discussed. It is also argued that a coherent effect due to the field is the cause of the thermal conductivity enhancement at low temperature. The magneto-thermal conductivity is shown at different temperatures.
Disciplines :
Physics
Materials science & engineering
Author, co-author :
Rassili, Ahmed ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Science des matériaux métalliques
Ausloos, Marcel ;  Université de Liège - ULiège > Département de physique > Physique statistique appliquée et des matériaux - S.U.P.R.A.S.
Language :
English
Title :
Theory of the thermal conductivity of metallic localized spin compounds in a magnetic field
Publication date :
1996
Journal title :
Journal of Magnetism and Magnetic Materials
ISSN :
0304-8853
eISSN :
1873-4766
Publisher :
Elsevier Science, Amsterdam, Netherlands
Volume :
163
Issue :
1-2
Pages :
153-163
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 07 December 2009

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