On the influence of chemical order on magnetostriction

• Autorzy: Magdoń M. , Maksymowicz A.
• Konferencja: Korean-Polish Joint Seminar on Physical Properties of Magnetic Materials (3 ; 26-28.08.1997 ; Kraków, Poland)
• Języki publikacji: EN

Abstrakty

EN

To study short range atomic order, we basically need two-site properties. Anisotropic hopping term in band models seems to be a natural candidate for such two-ion contributions to magnetostriction λ. Then degree of atomic order may be defined in terms of ordering parameter. A simple band model, based on a Hamiltonian with anisotropic hopping integrals, was employed for calculation of the linear magnetostriction λ and investigation the influence of chemical order on λ. Two kinds of short range atomic order were disscussed in details and compared with experimental data: directional ordering of pairs of atoms and atomic order. We conclude that the anisotropic hopping may be responsible for the observed strucural dependence of magnetostriction.

• Wydawca: Institute of Electron Technology
• Czasopismo: Electron Technology
• Rocznik: 1998
• Tom: Vol. 31, No. 1
• Strony: 33--37
• Opis fizyczny: Bibliogr. 8 poz.

Twórcy

autor

Magdoń M.

autor

Maksymowicz A.

• Departament of Mathematical Statistics, Agricultural University, 31-120 Kraków, al. Mickiewicza 21, Poland