Possible origin of the resistivity maximum in heavy-fermion systems
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
The temperature T/sub M/ of the resistivity maximum in CeCu/sub 2/Si/sub 2/ and other heavy-fermion compounds has been assumed by some authors to be directly related to the value of the Kondo temperature T/sub K/ in the same compound. In the present paper, I present evidence that, as is well known for spin-glasses, the Ruderman-Kittel-Kasuya-Yosida interaction between magnetic ions in heavy-fermion systems plays an important or even dominant role in determining the value of T/sub M/. It is argued that across the quasiternary series La/sub 1-x/Ce/sub x/Cu/sub 2/Si/sub 2/ the increase of T/sub K/ with x is small, only doubling in value across the series.
- Research Organization:
- Institut fuer Experimentalphysik IV, Universitat Bochum, D-4630 Bochum 1, West Germany
- OSTI ID:
- 6285553
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 33:3; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
656102* -- Solid State Physics-- Superconductivity-- Acoustic
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
CERIUM COMPOUNDS
CERIUM SILICIDES
COPPER COMPOUNDS
COPPER SILICIDES
COUPLING
CURIE-WEISS LAW
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
KONDO EFFECT
MAGNETIC MOMENTS
MAGNETIC PROPERTIES
MAGNETIC SUSCEPTIBILITY
PHYSICAL PROPERTIES
RARE EARTH COMPOUNDS
RUDERMAN-KITTEL COUPLING
SILICIDES
SILICON COMPOUNDS
SPIN GLASS STATE
SUPERCONDUCTORS
TEMPERATURE DEPENDENCE
TRANSITION ELEMENT COMPOUNDS
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
CERIUM COMPOUNDS
CERIUM SILICIDES
COPPER COMPOUNDS
COPPER SILICIDES
COUPLING
CURIE-WEISS LAW
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
KONDO EFFECT
MAGNETIC MOMENTS
MAGNETIC PROPERTIES
MAGNETIC SUSCEPTIBILITY
PHYSICAL PROPERTIES
RARE EARTH COMPOUNDS
RUDERMAN-KITTEL COUPLING
SILICIDES
SILICON COMPOUNDS
SPIN GLASS STATE
SUPERCONDUCTORS
TEMPERATURE DEPENDENCE
TRANSITION ELEMENT COMPOUNDS