Title :
Electronic structure and phase transformations in Ni2MnGa shape memory alloy
Author :
Naumov, Ivan I. ; Velikokhatnyi, Oleg I.
Author_Institution :
Inst. of Strength Phys. & Mater. Sci., Acad. of Sci., Tomsk, Russia
Abstract :
The nature of the magnetic and structural phase transformations in the Heusler alloy Ni2MnGa is studied by numerical calculations of the electronic structure, generalized susceptibility, and various Fermi-surface cross-sections
Keywords :
Fermi surface; ab initio calculations; commensurate-incommensurate transformations; density functional theory; electronic density of states; ferromagnetic materials; ferromagnetic-paramagnetic transitions; gallium alloys; linear muffin-tin orbital method; magnetic susceptibility; manganese alloys; martensitic transformations; nickel alloys; shape memory effects; soft modes; Fermi-surface cross-sections; Heusler alloy; Ni2MnGa; Stoner type transition; ab initio calculations; density of states; electronic structure; full-potential LMTO method; generalized susceptibility; local spin density approximation; long-period structures; magnetic phase transformations; martensitic transformations; phonon softening; shape memory alloy; structural phase transformations; Electronics cooling; Iron alloys; Lattices; Magnetic susceptibility; Nickel alloys; Phonons; Shape control; Shape memory alloys; Softening; Temperature;
Conference_Titel :
Science and Technology, 2000. KORUS 2000. Proceedings. The 4th Korea-Russia International Symposium on
Conference_Location :
Ulsan
Print_ISBN :
0-7803-6486-4
DOI :
10.1109/KORUS.2000.866116
