Abstract
We report the results of an experimental study of the external magnetic field of an antiferromagnetic Cr2O3 single-crystal. They confirm reliably that this field corresponds to a magnetic quadrupole field, as predicted by Dzyaloshinskii [Solid State Comm. 82, 570 (1992)] and observed by D. N. Astrov and N. B. Ermakov [JETP Lett. 59, 297 (1994)]. The quadrupole moment of the sample was found to be several times smaller than the value predicted by calculations.
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References
I. A. Dzyaloshinskii, Solid State Commun. 82, 579 (1992).
D. N. Astrov and N. B. Ermakov, JETP Lett. 59, 297 (1994).
I. E. Dzyaloshinskii, private communication (1996).
A. F. Andreev, JETP Lett. 63, 758 (1996).
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Pis’ma Zh. Éksp. Teor. Fiz. 63, No. 9, 713–718 (10 May 1996)
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Astrov, D.N., Ermakov, N.B., Borovik-Romanov, A.S. et al. External quadrupole magnetic field of antiferromagnetic Cr2O3 . Jetp Lett. 63, 745–751 (1996). https://doi.org/10.1134/1.566976
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DOI: https://doi.org/10.1134/1.566976