Ferromagnetic material - contg manganese,gallium and germanium

摘要

Ferromagnetic material of tetragonal structure comprises Mn, Ga and Ge, with at. ratios Mn 0.8-1.2, Ga 0.5-1.3, Ge 0.6-2.3. Pref. ratio is Mn 0.9-1.1, Ga 0.9-1.1, Ge 0.9-1.1.