Structure, magnetism and 119Sn Mossbauer spectral study on intermetallic compound PrMn6Sn6

被引：0
|
作者：
Huang Yan-Jun
Li Shu-Zhen
Han Zhi-Da
Lu Li-Ya
Xia Yuan-Fu [1 ]
机构：
[1] Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China
[2] Nanjing Univ, State Key Lab Solid State Microstruct, Nanjing 210093, Peoples R China
[3] Nanjing Univ, Key Lab Nanotechnol Province, Nanjing 210093, Peoples R China
来源：
ACTA PHYSICA SINICA | 2007年 / 56卷 / 04期
关键词：
PrMn6Sn6; Mossbauer spectrum; magnetic structure; CRYSTALLOGRAPHIC PROPERTIES; LARGE MAGNETORESISTANCE; NEUTRON-DIFFRACTION; TRANSITION; NDMN6-XFEXSN6; FE; LU; SM; SC;
D O I：
10.7498/aps.56.2347
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The intermetallic compound PrMn6Sn6 was prepared by are-melting and showed a HoFe6Sn6-type (group space: Immm) structure. The compound is ferromagnetic, where the Mn- and Pr-sublattices are ferromagnetically coupled, and has a Curie temperature of 325 K. The Sn-119 Mossbauer spectra between 15 and 360 K were measured, and were analyzed by a simplified model according to the eight Sn crystallographic sites with different nearest-neighbors environment, and the corresponding transferred hyperfine fields and the average value dependence on temperature were obtained. The magnetic structure of the two sublattice is discussed.
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页码：2347 / 2352
页数：6
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