Published 2008 | Version v1
Journal article Metadata-only

Magnetism and Kondo effect in strongly correlated electron systems

Creators

  • 1. Laboratoire de Physique des Solides, Universite Paris-Sud, UMR-8502 CNRS, 91405 Orsay (France)
  • 2. Instituto de Fisica, Universidade Federal do Rio Grande do Sul, 91501-970 Porto Alegre (Brazil)
  • 3. Laboratorio de Mecanica Estatistica e Teoria da Materia Condensada, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS (Brazil)
  • 4. Bogoliubov Laboratory of Theoretical Physics, JINR, Dubna (Russian Federation)
  • 5. Institute fur Theoretische Physik, TU Braunschweig, Mendelssohnstrasse 3, 38106 Braunschweig (Germany)

Description

We present here a review on three important problems of the Kondo lattice theory. First, the normal Kondo lattice effect has been extensively studied and accounts for many properties of cerium or ytterbium systems. Then, we present here a new theoretical study of the underscreened Kondo lattice problem, which can well account for the ferromagnetic - Kondo coexistence observed in some uranium compounds such as UTe. Finally, we discuss the spin glass-Kondo competition and the resulting phase diagrams showing spin glass, Kondo and magnetically ordered phases observed in disordered heavy fermion cerium alloys such as CeCuxNi1-x alloys. (author)

Additional details

Identifiers

URL
http://inoe.inoe.ro/JOAM/;

Publishing Information

Journal Title
Journal of Optoelectronics and Advanced Materials
Journal Volume
10
Journal Issue
7
Journal Page Range
p. 1583-1594
ISSN
1454-4164

INIS

Country of Publication
Romania
Country of Input or Organization
Romania
INIS RN
39087863
Subject category
S36: MATERIALS SCIENCE;
Descriptors DEI
CERIUM BASE ALLOYS; CERIUM COMPOUNDS; COPPER ALLOYS; CRYSTAL LATTICES; FERROMAGNETISM; KONDO EFFECT; NICKEL ALLOYS; SPIN GLASS STATE; URANIUM TELLURIDES; YTTERBIUM COMPOUNDS
Descriptors DEC
ACTINIDE COMPOUNDS; ALLOYS; CERIUM ALLOYS; CHALCOGENIDES; CRYSTAL STRUCTURE; MAGNETISM; RARE EARTH ALLOYS; RARE EARTH COMPOUNDS; TELLURIDES; TELLURIUM COMPOUNDS; TRANSITION ELEMENT ALLOYS; URANIUM COMPOUNDS

Optional Information

Contract/Grant/Project number
European COST Action P16 (Emergent Behaviour in Correlated Matter). This work was partially supported by the Brazilian agencies CNPq CAPES and FAPERGS
Notes
105 refs., 7 figs., 1tab. Also available at: http://inoe.inoe.ro/JOAM/