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http://ir.ncue.edu.tw/ir/handle/987654321/15364
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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
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| Issue Date: | 2013-02-05T02:18:15Z
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| 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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