| RTiGe(R=Dy,Ho)中的场致磁相变 |
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| 引用本文： | 达古拉,特古斯.RTiGe(R=Dy,Ho)中的场致磁相变[J].内蒙古师范大学学报(自然科学版),2004,33(3):227-231. |
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| 作者姓名： | 达古拉 特古斯 |
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| 作者单位： | 内蒙古师范大学物理与电子信息学院 内蒙古呼和浩特010022
(达古拉)，内蒙古师范大学物理与电子信息学院 内蒙古呼和浩特010022(特古斯) |
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| 基金项目： | ProjectSupportedbytheNationalNaturalScienceFoundationofChina(50261003)andtheNaturalScienceFoundationofInnerMongolia( 2 0 0 2 0 80 2 0 111) |
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| 摘 要： | 利用磁测方法研究RTiGe(R=Dy，Ho)化合物的磁相变．结果表明，该化合物中存在场致磁相变．在双子晶格模型下通过磁测数据计算了磁晶格之间的交换耦合常数n11和n12，确定了RTiGe(R=Dy．Ho)化合物临界场与温度的关系，并在磁相互作用的基础上对该化合物的磁性和磁相变进行了讨论．
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| 关 键 词： | 场致磁相变 三元稀土锗化物 反铁磁性 场致磁相变 磁晶格 |
Field-induced Magnetic Phase Transitions in RTiGe(R=Dy,Ho) |
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| Abstract.Field-induced Magnetic Phase Transitions in RTiGe(R=Dy,Ho)[J].Journal of Inner Mongolia Normal University(Natural Science Edition),2004,33(3):227-231. |
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| Authors: | Abstract |
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| Abstract: | Magnetic phase transitions in the RTiGe (R=Dy and Ho) compounds are investigated by means of magnetization measurements.The results show that the RTiGe compounds display a field-induced magnetic phase transition.The magnetic sublattice exchange coupling constants n_(11) and n_(12) are determined from the magnetization data based on two-sublattice model.By that the temperature dependence of the critical fields is determined from the magnetization measurements for the RTiGe (R=Dy and Ho) compounds.The magnetic properties and the magnetic phase transitions observed in these compounds are discussed based on the magnetic interactions obtained from the measurements. |
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| Keywords: | ternary rare-earth germanides antiferromagnet field-induced magnetic transition |
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