Electron spin resonance in CuCrS2 chrome-copper disulphides synthesized by different methods

G. M. Abramova, A. I. Pankrats, German A. Petrakovskii, Julia C. E. Rasch, Martin Boehm, V. I. Tugarinov, Rita Szumszak, A. F. Bovina, Viktor Vasil’ev

Journal of Applied Physics · 2010 · 16 citations · 6 references

Concepts

Abstract

The electron spin resonance (ESR) in CuCrS2 disulphides is found to be strongly dependent on a synthesis method used. At a temperature of 300 K, a polycrystalline CuCrS2 sample is paramagnetic with a g-value of 1.95 at 40 K, it undergoes the magnetic transition. In the temperature range 4.2–290 K, a single-crystal sample prepared by a chemical vapor transport method exhibits the ESR features typical of a ferromagnet. It is shown that these features are related to the presence of a small amount of the single-crystal CuCr2S4 impurity in the CuCrS2 single crystal.

References

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