Аннотация: High-quality single crystals of ludwigites Cu2MBO5 (M = Fe3+, Ga3+) have been grown, and the magnetic, resonance, and Mossbauer studies have been performed. It is established that the Cu2FeBO5 and Cu2GaBO5 compounds are antiferromagnets with Neel temperatures of 32 and 3.4 K, respectively. A model of the magnetic structure of the compounds is proposed. It is shown that the magnetic properties of the ludwigites are substantially dependent on the degree of ion distribution over crystallographic positions.
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Держатели документа:
[Petrakovskii, G. A.
Bezmaternykh, L. N.
Velikanov, D. A.
Vorotynov, A. M.
Bayukov, O. A.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
[Petrakovskii, G. A.
Bayukov, O. A.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Schneider, M.] Paul Scherrer Inst, CH-5232 Villigen, Switzerland
ИФ СО РАН
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, pr. Svobody 79, Krasnoyarsk, 660041, Russian Federation
Paul Scherrer Institut, Villigen, 5232, Switzerland
Доп.точки доступа:
Petrakovskii, G. A.; Петраковский, Герман Антонович; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Vorotynov, A. M.; Воротынов, Александр Михайлович; Bayukov, O. A.; Баюков, Олег Артемьевич; Schneider, M.