Magnetic force microscopy investigation of the static magnetic domain structure and domain rotation in Fe-x at. %Ga alloys

作者：Bai, Feiming^*; Zhang, Huaiwu; Li, Jiefang; Viehland, D.

来源：Applied Physics Letters, 2009, 95(15): 152511.

DOI：10.1063/1.3238062

• EXTRINSIC MAGNETOSTRICTION
• HETEROGENEOUS MODEL
• ANISOTROPY

Magnetic domain structures and domain rotation process in Fe-x at. %Ga (x=12, 19, and 25) alloys have been studied by magnetic force microscopy. Our results show that the missing connection between magnetic domains and the underlying microstructure [Xing and Lograsso, Appl. Phys. Lett. 93, 182501 (2008)] is (i) a perpendicular magnetic anisotropy; and (ii) domain irregularities/fluctuations induced by a quenched random-field condition: both of which may have direct relations with dispersed low-symmetry nanoprecipitates [Cao, et al., Phys. Rev. Lett. 102, 127201 (2009)].

• 出版日期2009-10-12
• 单位美国弗吉尼亚理工大学(Virginia Tech)