Chin. Phys. Lett.  2003, Vol. 20 Issue (9): 1630-1633    DOI:
Original Articles |
Mössbauer Investigation of the Ferromagnetic Coupling in Copper-Iron Polycyanides
HE Yun1;DAI Yao-Dong2;HUANG Hong-Bo1;A. M. Ali1;LIN Jun1;YU Zhi3;XIA Yuan-Fu1
1Department of Physics, Nanjing University, Nanjing 210093 2College of Material Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016 3Institute of Coordination Chemistry, Nanjing University, Nanjing 210093
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HE Yun, DAI Yao-Dong, HUANG Hong-Bo et al  2003 Chin. Phys. Lett. 20 1630-1633
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Abstract One of the Prussian blue analogs, molecular magnet CuII3[FeIII(CN)6]2.11.6H2O, was investigated by Mössbauer spectroscopy. It was found that transition temperature was around TC = 18.5 K from paramagnetic phase to ferromagnetic phase. The β value of the critical exponent is around 0.338 at magnetic ordering temperature. Therefore, the ferromagnetic coupling interaction of Cu-Fe cyanide could be clearly explained by spin wave theory.

Keywords: 82.80.Ej      75.50.Dd     
Published: 01 September 2003
PACS:  82.80.Ej (X-ray, M?ssbauer, and other γ-ray spectroscopic analysis methods)  
  75.50.Dd (Nonmetallic ferromagnetic materials)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2003/V20/I9/01630
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HE Yun
DAI Yao-Dong
HUANG Hong-Bo
A. M. Ali
LIN Jun
YU Zhi
XIA Yuan-Fu
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