Magnetic properties and Fermi surface of antiferromagnetic SmCu/sub 6/
Technical Report
·
OSTI ID:6358360
We report measurements of the magnetic susceptibility, specific heat, magnetoresistance, Hall effect, and Fermi surface in SmCu/sup 6/. The susceptibility follows the Van Vleck form for Sm/sup 3 +/ near room temperature and shows two antiferromagnetic phase transitions at 9.6 K and 5.2 K. The specific heat implies a quartet ground state for the crystal field split J = 5/2 angular momentum state. Magnetoresistance indicates two conduction carriers of uncompensated electrons and holes. de Haas-van Alphen measurements show that the Fermi surface in the antiferromagnetic state consists of a network of cylinders oriented 30/degree/ from the b and c axes. 14 refs., 10 figs.
- Research Organization:
- Argonne National Lab., IL (USA)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 6358360
- Report Number(s):
- ANL/PPRNT-89-179; ON: DE89008471
- Resource Relation:
- Other Information: Portions of this document are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
COPPER COMPOUNDS
MAGNETIC PROPERTIES
SAMARIUM COMPOUNDS
ANTIFERROMAGNETISM
FERMI LEVEL
HALL EFFECT
HOLES
MAGNETIC SUSCEPTIBILITY
MAGNETORESISTANCE
PHASE TRANSFORMATIONS
SPECIFIC HEAT
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ENERGY LEVELS
MAGNETISM
PHYSICAL PROPERTIES
RARE EARTH COMPOUNDS
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
360603* - Materials- Properties
COPPER COMPOUNDS
MAGNETIC PROPERTIES
SAMARIUM COMPOUNDS
ANTIFERROMAGNETISM
FERMI LEVEL
HALL EFFECT
HOLES
MAGNETIC SUSCEPTIBILITY
MAGNETORESISTANCE
PHASE TRANSFORMATIONS
SPECIFIC HEAT
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ENERGY LEVELS
MAGNETISM
PHYSICAL PROPERTIES
RARE EARTH COMPOUNDS
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
360603* - Materials- Properties