Mössbauer Investigation of the Ferromagnetic Coupling in Copper-Iron Polycyanides

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 Cu^II₃[Fe^III(CN)₆]₂.11.6H₂O, was investigated by Mössbauer spectroscopy. It was found that transition temperature was around T_C = 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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