Analysis of the exchange magnetic structure in Pb3Mn7O15


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Resumo

The indirect-coupling model is used to analyze the exchange magnetic structure of Pb3Mn7O15 in the hexagonal setting. The ratios of manganese ions Mn4+/Mn3+ in each nonequivalent position are determined. Pb3(Mn0.95Ge0.05)7O15 and Pb3(Mn0.95Ga0.05)7O15 single crystals are grown by the solution–melt method in order to test the validity of the proposed model. The structural and magnetic properties of the single crystals are studied. The magnetic properties of the grown single crystals are compared with those of nominally pure Pb3Mn7O15.

Sobre autores

E. Eremin

Kirensky Institute of Physics, Siberian Branch; Siberian Federal University

Autor responsável pela correspondência
Email: eev@iph.krasn.ru
Rússia, Krasnoyarsk, 660036; Krasnoyarsk, 660041

N. Volkov

Kirensky Institute of Physics, Siberian Branch; Siberian Federal University

Email: eev@iph.krasn.ru
Rússia, Krasnoyarsk, 660036; Krasnoyarsk, 660041

K. Sablina

Kirensky Institute of Physics, Siberian Branch

Email: eev@iph.krasn.ru
Rússia, Krasnoyarsk, 660036

O. Bayukov

Kirensky Institute of Physics, Siberian Branch

Email: eev@iph.krasn.ru
Rússia, Krasnoyarsk, 660036

M. Molokeev

Kirensky Institute of Physics, Siberian Branch

Email: eev@iph.krasn.ru
Rússia, Krasnoyarsk, 660036

V. Komarov

Nikolaev Institute of Inorganic Chemistry, Siberian Branch; Novosibirsk State University

Email: eev@iph.krasn.ru
Rússia, pr. Akademika Lavrent’eva 3, Novosibirsk, 630090; ul. Pirogova 2, Novosibirsk, 630090

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