Abstract
A 57FeBO3 single crystal is studied by the nuclear forward scattering (NFS) method. The NFS time spectra from 57Fe nuclei are recorded at room temperature under high pressures up to 50 GPa in a diamond anvil cell. In the pressure interval 0<p<44 GPa, the magnetic field H Fe at the 57Fe nuclei is found to increase nonlinearly, reaching a maximum value of 48.1 T at p=44 GPa. As the pressure increases further and reaches the point p=46 GPa, the field H Fe abruptly drops to zero, indicating that a transition from the antiferromagnetic to a non-magnetic state occurs in the crystal. In the pressure interval 0<p<46 GPa, the magnetic moments of the iron ions lie in the (111) basal plane of the crystal. Several possible mechanisms of magnetic collapse are discussed.
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Translated from Pis’ma v Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Fiziki, Vol. 74, No. 1, 2001, pp. 26–29.
Original Russian Text Copyright © 2001 by Troyan, Gavrilyuk, Sarkisyan, Lyubutin, Rüffer, Leupold, Barla, Doyle, Chumakov.
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Troyan, I.A., Gavrilyuk, A.G., Sarkisyan, V.A. et al. Transition from the antiferromagnetic to a nonmagnetic state in FeBO3 under high pressure. Jetp Lett. 74, 24–27 (2001). https://doi.org/10.1134/1.1402200
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DOI: https://doi.org/10.1134/1.1402200