External quadrupole magnetic field of antiferromagnetic Cr2O3 |
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| Authors: | D N Astrov N B Ermakov A S Borovik-Romanov E G Kolevatov V I Nizhankovskii |
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| Institution: | (1) All-Russia Scientific-Research Institute of Physicotechnical and Radio-Engineering Measurements, 141570 Mendeleevo, Moscow District, Russia;(2) Kapitsa Institute of Physical Problems, Russian Academy of Sciences, 117334 Moscow, Russia;(3) International Laboratory of High Magnetic Fields and Low Temperature, ul. Gaevitska 95, Wroclaw, Poland |
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| 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.
Pis’ma Zh. éksp. Teor. Fiz. 63, No. 9, 713–718 (10 May 1996) |
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