An efficient control of Curie temperature $T_C$ in Ni-Mn-Ga alloys

Details An efficient control of Curie temperature $T_C$ in Ni-Mn-Ga alloys An efficient control of Curie temperature $T_C$ in Ni-Mn-Ga alloys

2003-09-11

arxiv.org/abs/cond-mat/0309271v1

J. Magn. Magn. Mater. 272-276 (2004) p. 2067

Physics

Condensed Matter

Materials Science

presented at ICM-2003

Scientific paper

10.1016/j.jmmm.2003.12.836

We have studied the influence of alloying with a fourth element on the
temperature of ferromagnetic ordering $T_C$ in Ni-Mn-Ga Heusler alloys. It is
found that $T_C$ increases or decreases, depending on the substitution. The
increase of $T_C$ is observed when Ni is substituted by either Fe or Co. On the
contrary, the substitution of Mn for V or Ga for In strongly reduces $T_C$.

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