Magnetic and transport properties of RIr2Ga series (R=La, Pr, Nd, Sm, Gd–Tm)

Magnetic and transport properties of RIr2Ga series (R=La, Pr, Nd, Sm, Gd–Tm)
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RIr2Ga系列的磁性和输运特性(R=La、Pr、Nd、Sm、Gd–Tm)

DOI:
10.1016/s0925-8388(01)01008-8
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发表时间:
2001
影响因子:
6.2
通讯作者:
Z. Fisk
Z. Fisk
中科院分区:
材料科学2区
文献类型:
--
作者:
C. Petrovic;M. Hundley;R. Movshovich;P. Pagliuso;J. Sarrao;J. Thompson;Z. Fisk

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我们报告的磁性和运输测量结果的一个新的稀土系列RIr2Ga(R=La,Pr,Nd,Sm,Gd通过Tm)的单晶。这些化合物的晶体结构均为三重六方Na_3As结构,空间群为P63cm。磁有序温度显示偏离De Gennes标度。这些化合物是准二维结构的一个有趣的例子,其中存在各向异性磁相互作用。
We report results of magnetic and transport measurements on single crystals of a new rare earth series RIr2Ga (R=La, Pr, Nd, Sm, and Gd through Tm). These compounds appear to crystallize in the triple-hexagonal Na3As structure with space group P63cm. Magnetic ordering temperatures show deviation from De Gennes scaling. These compounds are an interesting example of a quasi-2D structure in which there are anisotropic magnetic interactions.