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RESEARCH ARTICLE
Contents Vol 71(11)

The Mixed Magnetic Property of Co0.76Cu0.74[Fe(CN)6]·7.5H2O

Yanfang Xia A B , Min Liu B C and Duxin Li A C
+ Author Affiliations
- Author Affiliations

A State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410006, China.

B College of Nuclear Science and Technology, University of South China, Hengyang 421001, China.

C Corresponding authors. Email: liuquanusc@126.com; liduxingx@sina.com

Australian Journal of Chemistry 71(11) 914-916 https://doi.org/10.1071/CH18290
Submitted: 14 June 2018  Accepted: 8 September 2018   Published: 15 October 2018

Abstract

Co0.76Cu0.74[Fe(CN)6]·7.5H2O was prepared as a powder by a chemical co-precipitation method. The powder X-ray diffraction patterns were indexed to the typical face-centred cubic structure with the lattice parameter a 10.55(2) Å. The temperature dependence of the χ−1 curve obeys the Curie–Weiss law (χ = C/(T – θ)) in the temperature range of 180–300 K. According to Curie–Weiss law, the calculated θ value is −54.82 K. In the paramagnetic state at 300 K, the effective magnetic moment (μeff = (8χT)1/2) is 3.58 μB per formula unit. The calculated theoretical effective magnetic moment is 4.06 μB. The magnetic field cooling measurements under a 200 Oe applied magnetic field show that the saturation magnetization value at 2 K of the complex Co0.76Cu0.74[Fe(CN)6]·7.5H2O is 1.528 emu g−1.


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