| Theoretical analysis of the anisotropy of the magnetization of the Ho^3＋ ion in holmium iron garnet single crystals |
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| 引用本文： | 杨杰慧,马胜灿,徐 游. Theoretical analysis of the anisotropy of the magnetization of the Ho^3＋ ion in holmium iron garnet single crystals[J]. 中国物理 B, 2008, 17(2): 710-715 |
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| 作者姓名： | 杨杰慧 马胜灿 徐 游 |
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| 作者单位： | Physical Science College, Luoyang NormalUniversity, Luoyang 471022, China;College of Physics & Information Engineering, Henan Normal University, Xinxiang 453007, China;Department of Physics, Nanjing University, Nanjing 210093, China |
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| 基金项目： | Projectsupported by the National Natural Science Foundation of China (GrantNo 0611054000). |
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| 摘 要： | The spontaneous magnetization of the Ho^3＋ ion in holmium iron garnet （HoIG） single crystals in the temperature range of 4.2-294K along the directions [111], [110], and [100] are calculated, taking into account the effects of six magnetically inequivalent sites occupied by the Ho^3＋ ions based on the quantum theory. The calculated results show that the magnetization of the Ho^3＋ ion in HoIG is obviously anisotropic. The theoretical results ave in agreement with those of experiments. A primary interpretation of the anisotropy of magnetization of the Ho^3＋ ion in HoIG is put forward.
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| 关 键 词： | 各向异性 磁化强度 晶体 超交换相互作用 稀土资源 |
| 收稿时间： | 2007-07-13 |
| 修稿时间： | 2007-08-21 |
Theoretical analysis of the anisotropy of the magnetization of the Ho3+ ion in holmium iron garnet single crystals |
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| Yang Jie-Hui,Ma Sheng-Can and Xu You. Theoretical analysis of the anisotropy of the magnetization of the Ho3+ ion in holmium iron garnet single crystals[J]. Chinese Physics B, 2008, 17(2): 710-715 |
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| Authors: | Yang Jie-Hui Ma Sheng-Can Xu You |
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| Affiliation: | College of Physics & Information Engineering, Henan Normal University, Xinxiang 453007, China; Department of Physics, Nanjing University, Nanjing 210093, China; Physical Science College, Luoyang NormalUniversity, Luoyang 471022, China |
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| Abstract: | The spontaneous magnetization of the Ho$^{3+}$ ion in holmium irongarnet (HoIG) single crystals in the temperature range of4.2--294,K along the directions [111], [110], and [100] arecalculated, taking into account the effects of six magneticallyinequivalent sites occupied by the Ho$^{3+}$ ions based on thequantum theory. The calculated results show that the magnetizationof the Ho$^{3+}$ ion in HoIG is obviously anisotropic. Thetheoretical results are in agreement with those of experiments. Aprimary interpretation of the anisotropy of magnetization of theHo$^{3+}$ ion in HoIG is put forward. |
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| Keywords: | Anisotropy magnetization crystal field superexchange interaction rare-earthsublattice-site |
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