[9p-M101-1~7] 10.1 Emerging materials in spintronics and magnetics (including fabrication and charactrization methodologies)

▲ [9p-M101-4] Quadrupole moment in Mn_3-xGa detected by x-ray magnetic linear dichroism

〇Jun Okabayashi¹, Kazuya Suzuki², Shigemi Mizukami² (1.The Univ. of Tokyo, 2.Tohoku Univ.)

Keywords:Orbital magnetic moments, Quadrupole moments, Perpendicular magnetic anisotropy

Mn_3-xGa alloys are widely recognized as hard magnets which exhibit highly anisotropic, ferromagnetic, and metallic properties. In order to investigate the origin of perpendicular magnetic anisotropy in Mn_3-xGa, we performed x-ray magnetic linear dichroism (XMLD). We found that not orbital magnetic moments but quadrupole moments are essential by means of XMLD.