High-temperature studies of the magnetic susceptibility of samarium and the Al{sub 2}Sm compound

High-temperature studies of the magnetic susceptibility of samarium and the Al{sub 2}Sm compound

The magnetic susceptibility of metallic samarium and the Al{sub 2}Sm intermetallic compound has been experimentally studied by the Faraday method in the temperature range of 300-1800 K. It has been shown that the temperature dependences of the magnetic susceptibility of Sm and Al{sub 2}Sm in a cryst...

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Bibliographic Details
Published in:Journal of experimental and theoretical physics Vol. 114; no. 2
Main Authors: Uporova, N. S., Uporov, S. A., Sidorov, V. E.
Format: Journal Article
Language:English
Published: United States 15-02-2012
Subjects:
ALUMINIUM
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
CRYSTALS
ELECTRONS
FARADAY METHOD
INTERMETALLIC COMPOUNDS
MAGNETIC SUSCEPTIBILITY
PARAMAGNETISM
SAMARIUM
TEMPERATURE DEPENDENCE
VALENCE
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Summary:The magnetic susceptibility of metallic samarium and the Al{sub 2}Sm intermetallic compound has been experimentally studied by the Faraday method in the temperature range of 300-1800 K. It has been shown that the temperature dependences of the magnetic susceptibility of Sm and Al{sub 2}Sm in a crystalline state can be described in the framework of Van Vleck paramagnetism theory taking into account variable valence and the contribution from the conduction electrons. Using this theoretical interpretation of the data, the effective valence of samarium in the metallic state and in the Al{sub 2}Sm intermetallic compound has been estimated as a function of the temperature.
ISSN:1063-7761
1090-6509
DOI:10.1134/S1063776112010086