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THEORETICAL EXPLANATION OF SPIN REORIENTATION IN DyTiFe11 COMPOUND
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| PEI Xiedi*;YANG Yingchang;ZHA Yuanbo;SUN Hong;KONG Linshu |
| *Department of Physics, Beijing University of Science and Technology, Beijing
Department of Physics, Peking University, Beijing |
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| Cite this article: |
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PEI Xiedi, YANG Yingchang, ZHA Yuanbo et al 1989 Chin. Phys. Lett. 6 325-328 |
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Abstract At room temperature, the c-axis is the easy magnetization direction in DyTi Fe11 compound. However, when we decrease temperature, the thermal magnetic curves show that a spin reorientation takes place at about 175K. The anisotropy constants of Fe sublattice have been determined by measuring the magnetocrystalline anisotropy of YTi Fe11. We have calculated the anisotropy constants of Dy by using single ion theory. The results demonstrate that the spin reorientation arises from the competition of magnetocrystalline anisotropy between Dy and Fe sublattices. The spin reorientation is explaned by the theoretical calculation.
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| Keywords:
7530Gw
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Published: 01 July 1989
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