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Synthesis and magnetic properties of Cu3B2O6 single crystals / G. A. Petrakovskii [et al.] // Phys. Solid State. - 1999. - Vol. 41, Is. 4. - P. 610-612, DOI 10.1134/1.1130835. - Cited References: 9
. - ISSN 1063-7834РУБ Physics, Condensed Matter
Рубрики:
HEISENBERG
Аннотация: The temperature dependence of the magnetic susceptibility of Cu3B2O6 single crystals grown by spontaneous crystallization from a melt consisting of a mixture of CuO and B2O3 and the behavior of their magnetization are investigated in magnetic fields up to 55 kOe. A broad susceptibility maximum is observed near 39 K, and a sharp drop in susceptibility is observed at T10 K. The paramagnetic Neel temperatures for all orientations of the magnetic field in the crystal investigated are negative, attesting to the predominantly antiferromagnetic character of the exchange interactions. The effective magnetic moment of the Cu2+ ion is anisotropic and lies in the range from 1.054 mu(B) to 1.545 mu(B). The magnetization depends linearly on magnetic field at T10 K, whereas at temperatures below 10 K a discontinuity is observed at fields of the order of 40 kOe. At room temperature, electron magnetic resonance characterized by an almost isotropic g factor (g=2.165) is detected at 36.22 GHz. The exchange interactions in Cu3B2O6 are analyzed on the basis of the Goodenough-Kanamori rules. The possibility of the establishment of a singlet magnetic state in the crystal is analyzed. (C) 1999 American Institute of Physics. [S1063-7834(99)02404-1].
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Публикация на русском языке Синтез и магнитные свойства монокристаллов Cu3B2O6 [Текст] / Г. А. Петраковский, К. А. Саблина, А. М. Воротынов [и др.] // Физ. тверд. тела. - 1999. - Т. 41 Вып. 4. - С. 677-679
Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland
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Доп.точки доступа:
Petrakovskii, G. A.; Петраковский, Герман Антонович; Sablina, K. A.; Саблина, Клара Александровна; Vorotynov, A. M.; Воротынов, Александр Михайлович; Bayukov, O. A.; Баюков, Олег Артемьевич; Bovina, A. F.; Бовина, Ася Федоровна; Bondarenko, G. V.; Бондаренко, Геннадий Васильевич; Szymczak, R.; Baran, M.; Szymczak, H.
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