Mössbauer Evidence for Ferromagnetic Ordering in Copper-Iron
Cyanometallates
XIA Yuan-Fu1 , YU Zhi2 , SONG Yong2 , HUANG Hong-Bo1 , YOU Xiao-Zeng2 , X. Z. Zhou3 , Z. W. Li3 , H. P. Kunkel3 , Gwyn Williams3
1 Deptment of Physics, Nanjing University, Nanjing 210093
2 State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093
3 Deptment of Physics, University of Manitoba, Winnipeg R3T2N2, Canada
Mössbauer Evidence for Ferromagnetic Ordering in Copper-Iron
Cyanometallates
XIA Yuan-Fu1 ;YU Zhi2 ;SONG Yong2 ;HUANG Hong-Bo1 ;YOU Xiao-Zeng2 ;X. Z. Zhou3 ;Z. W. Li3 ;H. P. Kunkel3 ;Gwyn Williams3
1 Deptment of Physics, Nanjing University, Nanjing 210093
2 State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093
3 Deptment of Physics, University of Manitoba, Winnipeg R3T2N2, Canada
关键词 ：
82.80.Ej ,
75.50.Dd
Abstract ： A novel member of the Prussian blue family, CuII 3 [FeIII (CN)6 ]2 .3NH3 .6H2 O, was synthesized, in which NH3 ligands are in stochastic distribution. X-ray diffraction data, zero-field-cooled magnetization and field-cooled magnetization curves, Mössbauer spectra with/without an external field of 5 T and a structural model are presented. This Prussian blue analog displays considerable magnetic hardness below the magnetic transition temperature Tc , which is about 19.8 K. The coercive field determined from the magnetization hysteresis loop at 5 K was 2.76 kOe. The copper-iron cyanometallates have potential applications in the design of novel magnetic systems.
Key words ：
82.80.Ej
75.50.Dd
出版日期: 2002-04-01
:
82.80.Ej
(X-ray, M?ssbauer, and other γ-ray spectroscopic analysis methods)
75.50.Dd
(Nonmetallic ferromagnetic materials)
引用本文:
XIA Yuan-Fu;YU Zhi;SONG Yong;HUANG Hong-Bo;YOU Xiao-Zeng;X. Z. Zhou;Z. W. Li;H. P. Kunkel;Gwyn Williams. Mössbauer Evidence for Ferromagnetic Ordering in Copper-Iron
Cyanometallates[J]. 中国物理快报, 2002, 19(4): 595-598.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2002/V19/I4/595
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