Phenomenological theory of structural and magnetic phase transitions in shape memory Ni-Mn-Ga alloys

Article type: Research Article

Authors: Buchelnikov, V.^{a; *} | Zayak, A.^b | Vasil'ev, A.^c | Takagi, T.^d

Affiliations: [a] Chelyabinsk State University, 454021 Chelyabinsk, Russia | [b] Gerhard-Mercator University, 47048 Duisburg, Germany | [c] Moscow State University, 119899 Moscow, Russia | [d] Institute of Fluid Science, Tohoku University, 980-8577 Sendai, Japan

Correspondence: [*] Chelyabinsk State University, Br. Kashirinykh Str., 129, 454021 Chelyabinsk, Russia. Tel.: +7 351 242 02 39; Fax: +7 351 242 09 25; E-mail: [email protected]

Abstract: In the framework of Landau theory the phase diagram of structural and magnetic phase transitions of cubic ferromagnetic Ni-Mn-Ga alloys is constructed by taking into account the strain, the crystal lattice modulation and the magnetic order parameters.

DOI: 10.3233/JAE-2000-188

Journal: International Journal of Applied Electromagnetics and Mechanics, vol. 12, no. 1-2, pp. 19-23, 2000