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- Title
Electronic Correlations Effects and Magnetic Properties in Manganese-Bismuth Compound.
- Authors
Masrour, R.; Hlil, E.; Hamedoun, M.; Benyoussef, A.
- Abstract
Self-consistent ab initio calculations, based on the density functional theory approach and using the full potential linear augmented plane wave method, are performed to investigate both electronic and magnetic properties of the MnBi compounds. Polarized spin and spin-orbit coupling are included in calculations within the framework of the ferromagnetic state between two adjacent Mn atoms. The magnetic moment considered to lie along (001) axes are computed. The obtained data from ab initio calculations are used as input for the high-temperature series expansions calculations to compute other magnetic parameters. The exchange interactions between the magnetic atoms Mn-Mn in MnBi are given using the mean field theory. The high-temperature series expansions of the Ising model magnetic susceptibility is given up to the tenth order series in x = J(Mn-Mn) / k T. The Curie temperature, T, is obtained using high-temperature series expansions of the magnetic susceptibility series combined with the Padé approximant method. The critical exponent γ associated with the magnetic susceptibility is deduced as well.
- Subjects
MAGNETIC properties of manganese compounds; ELECTRONIC structure; AB-initio calculations; SPIN polarization; SPIN-orbit interactions; MAGNETIC moments; MAGNETIC susceptibility
- Publication
Journal of Superconductivity & Novel Magnetism, 2016, Vol 29, Issue 3, p741
- ISSN
1557-1939
- Publication type
Article
- DOI
10.1007/s10948-015-3313-1