TEM study of the influence of antisite defects on magnetic domain structures in double perovskite Ba2FeMoO6.
作者信息
Yu Xiuzhen, Asaka Toru, Tomioka Yasuhide, Tsuruta Chusei, Nagai Takuro, Kimoto Koji, Kaneko Yoshio, Tokura Yoshinori, Matsui Yoshio
机构信息
Spin Super Structure Project, Exploratory Research for Advanced Technology (ERATO), Japan Science and Technology Agency, c/o AIST, Tsukuba Central 4, Tsukuba 305-8562, Japan.
出版信息
J Electron Microsc (Tokyo). 2005 Jan;54(1):61-5. doi: 10.1093/jmicro/dfh104.
Magnetic domain structures and crystal structures of double perovskite Ba(2)FeMoO(6) were studied using Lorentz transmission electron microscopy (TEM), dark-field imaging and high-resolution TEM. Two types of magnetic domain structure were observed below the Curie temperature: an ordinary 180 degrees ferromagnetic domain structure and a typical maze-pattern structure. In regions where maze-pattern structures were observed, antiphase boundaries were found by dark-field imaging and high-resolution TEM and develop densely in Fe/Mo-ordering domains, suggesting that Fe/Mo antisite defects affect magnetic domain structures.
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