Crystal growth, structure, magnetic properties and theoretical exchange interaction calculations of Cu2MnBO5

S. Sofronova, E. Moshkina, I. Nazarenko, Yu Seryotkin, S. A. Nepijko, V. Ksenofontov, K. Medjanik, A. Veligzhanin, L. Bezmaternykh

Результат исследования: Научные публикации в периодических изданияхстатьярецензирование

9 Цитирования (Scopus)

Аннотация

Single crystals of ludwigite Cu2MnBO5 were synthesized by flux growth technique. The detailed structural and magnetic characterizations of the synthesized samples have been carried out. The cations composition of the studied crystal was determined using X-ray diffraction and EXAFS technique, the resulting composition differ from the content of the initial Mn2O3–CuO components of the flux. Magnetic susceptibility measurements and the calculations of the exchange integrals in frameworks of indirect coupling model revealed that monoclinic distortions strongly affect exchange interactions and appearance of magnetic ordering phase at the temperature T=93 K. The hypothesis of the existence of several magnetic subsystems was supposed.

Язык оригиналаанглийский
Страницы (с-по)309-316
Число страниц8
ЖурналJournal of Magnetism and Magnetic Materials
Том420
DOI
СостояниеОпубликовано - 15 дек 2016

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