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Title: Effect of Anisotropy on Compensation Point in Fe3O4 �Mn3O4 Grown onMgO(011�)
Authors: Wang, Y. C.;Horng, Lance;Chern, G.
Contributors: 物理學系
Date: 2003
Issue Date: 2013-02-05T02:18:15Z
Publisher: American Institute of Physics
Abstract: [Fe3O4(40 Å)/Mn3O4(160 Å)]×10 superlattice is grown on MgO(110), and its in-plane angular-dependent magnetic response is studied. Magnetic compensation and spin–flop state are observed at ∼42 K and external field >15 kOe when the magnetic measurement is along the [1-10] direction. These features disappear when the measurement is along the [001] direction. This strong anisotropic effect may originate from the tetragonal structure of Mn3O4 whose magnetic easy axis is in the a-b plane and hard axis is perpendicular to the a-b plane. This study demonstrates that the compensation point and spin–flop phase transition both are orientationally dependent in an antiparallel-coupled magnetic layer system if there is at least one constituent component with strong magnetic anisotropy.
Relation: J. Appl. Phys., 93(4): 2286
Appears in Collections:[物理學系] 期刊論文

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