Abstract
The electrical resistivity (ρ) of the alloys NiMn and NiTi in the B2-phase is calculated from first principles. The electronic structure is calculated by the MH CLV method. Phonon dispersion curves are obtained in the Born-Karman model of mechanical atomic constants with allowance for the interaction of nearest neighbors. The effective thermal and optical electron masses are calculated for each sheet of the Fermi surface of NiMn. An analysis is made of the connection between the electronic structure and electrical resistivity of alloys NiMn and NiTi. Satisfactory agreement is obtained between calculated temperature dependences ρ(T) and experimental data.
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