Magnetic susceptibility of Hg1-xFexSe
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The low field AC magnetic susceptibility of Hg1-xFexSe (x = 0.045, 0.070 and 0.095) has been measured in the temperature range 12-150 K. Our experimental data as well as those reported earlier are compared with the extended nearest-neighbour pair approximation calculations taking into account the long-range antiferromagnetic exchange interaction between Fe2+ ions in the form J(R) = J(NN)/R-n. Good agreement is found between the theory and experiment with 11 K less than or equal to \J(NN)\ less than or equal to 15 K and n = 5.
Кључне речи:diluted magnetic semiconductors / magnetic susceptibility / exchange / crystal field / spin-orbit effects
Извор:Journal of Magnetism and Magnetic Materials, 1997, 175, 3, 311-318
ISSN: 0304-8853 (print)