Phase transition in the Heisenberg ferromagnet Cu(NH4)2Br4·2H2O in a magnetic field |
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| Authors: | AA Galkin VP Djykonov IM Fita GA Tsintsadze |
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| Institution: | Physico-Technical Institute, Academy of Sciences of the Ukr.SSR, 340048 Donetsk, USSR |
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| Abstract: | The effect of a magnetic field on phase transitions in the Heisenberg ferromagnet Cu(NH4)2Br4·2H2O is investigated. It is found that the singularity shift of the susceptibility χ(P, T) in a magnetic field is approximated by power functions with the indexes ω = 2.5 and ? = 0.58. |
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