Journal
PHASE TRANSITIONS
Volume 75, Issue 1-2, Pages 243-256Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/01411590290023139
Keywords
phenomenological theory; Ni-Mn-Ga; phase transitions
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We present an effective Ginzburg-Landau theory for ferromagnetic cubic Ni-Mn-Ga in which structural and magnetic phase transitions take place. The general problem of a cubic ferromagnet is taken into account by fitting the parameters of the Ginzburg-Landau functional to experimental data. This enables us to obtain a realistic phase diagram for Ni-Mn-Ga.
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