High-temperature studies of the magnetic susceptibility of samarium and the Al2Sm compound

The magnetic susceptibility of metallic samarium and the Al 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 2 Sm in a crystalline s...

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Bibliographic Details
Published in:Journal of experimental and theoretical physics 2012-02, Vol.114 (2), p.281-287
Main Authors: Uporova, N. S., Uporov, S. A., Sidorov, V. E.
Format: Article
Language:English
Subjects:
Classical and Quantum Gravitation
Disorder
Elementary Particles
Order
Particle and Nuclear Physics
Phase Transition in Condensed System
Physics
Physics and Astronomy
Quantum Field Theory
Relativity Theory
Solid State Physics
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Summary:The magnetic susceptibility of metallic samarium and the Al 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 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 2 Sm intermetallic compound has been estimated as a function of the temperature.
ISSN:1063-7761
1090-6509
DOI:10.1134/S1063776112010086