R. Z. Levitin, E. A. Popova, R. M. Chtsherbov, A. N. Vasiliev, M. N. Popova, E. P. Chukalina, S. A. Klimin, P. H. M. van Loosdrecht, D. Fausti, L. N. Bezmaternykh, “Cascade of phase transitions in GdFe$_3$(BO$_3$)$_4$”, Pis'ma v Zh. Èksper. Teoret. Fiz., 2004, Volume 79, Issue 9,Pages 531

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CONDENSED MATTER

Cascade of phase transitions in GdFe$_3$(BO$_3$)$_4$

R. Z. Levitin^a, E. A. Popova^a, R. M. Chtsherbov^a, A. N. Vasiliev^a, M. N. Popova^b, E. P. Chukalina^b, S. A. Klimin^cb, P. H. M. van Loosdrecht^c, D. Fausti^c, L. N. Bezmaternykh^d

^a Physics Faculty, Moscow State University, 119992 Moscow, Russia
^b Institute of Spectroscopy RAS, 142190 Troitsk, Moscow region, Russia
^c Material Science Center, University of Groningen, 9747 AG Groningen, Netherlands
^d L. V. Kirensky Institute of Physics, Siberian Branch of RAS, 660036 Krasnoyarsk, Russia

Abstract: Cascade of phase transitions in GdFe$_3$(BO$_3$)$_4$ at 156 K, 37 K and 9 K has been detected by specific heat measurements and further studied by Raman scattering and Nd$^{3+}$ spectroscopic probe method. A weakly first-order structural phase transition at 156 K is followed by a second-order antiferromagnetic ordering phase transition at 37 K and a first-order spin-reorientational phase transition at 9 K.

PACS: 65.40.Ba, 71.70.Gm, 75.30.Et 75.40.Cx, 78.30.Hv

Received: 29.03.2004

Language: English