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Calculation of the Magnon Spectrum for Mn3GaC Metamagnets

โœ Scribed by P. Pawlicki

Publisher
John Wiley and Sons
Year
1985
Tongue
English
Weight
154 KB
Volume
132
Category
Article
ISSN
0370-1972

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๐Ÿ“œ SIMILAR VOLUMES

The model of metamagnetic phase transiti
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โœ H. Cofta; P. Pawlicki ๐Ÿ“‚ Article ๐Ÿ“… 1982 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 463 KB

## Abstract A new model of metamagnetic phase transition with temperature in Mn~3~GaC is proposed. The magnetoelastic Hamiltonian takes into account two independent strains (trigonal and isotropic ones) as functions of temperature, calculated similarly to the microscopic theory of magnetostriction.

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A spin-averaged HartreeแŽFock SAHF procedure is examined within the framework of the configuration-averaged methodology proposed earlier. The SAHF method produces reasonable total energies and can be successfully used for the calculation of electronic spectra, especially in the cases of marked energy