Published date: Oct 12 2016

Journal Title: KnE Materials Science

Issue title: IV Sino-Russian ASRTU Symposium on Advanced Materials and Processing Technology (ASRTU)

Pages: 135-141

DOI: 10.18502/kms.v1i1.575

M.A. Semkinm.a.semkin@urfu.ru

N.V. Urusova

D.G. Kellerman

A.P. Nosov

S. Lee

A.N. Pirogov

We studied crystal and magnetic structures of some composite and single-phase multiferroics: (x)MFe₂O₄ + (1-x)BaTiO₃, Ni_3-yCo_yV₂O₈, and Bi_0.9Ba_0.1Fe_0.9Ti_0.1O₃. Composite multiferroics (x)MFe₂O₄ + (1-x)BaTiO₃ with x = (0.2; 0.3; 0.4) and M = (Ni, Co) have ferrimagnetic structure, which is described by the propagation vector k = 0. Oxides Ni_3-yCo_yV₂O₈ with y = (0.1; 0.3; 0.5) possess a modulated magnetic structure, described by the vector k = (δ, 0, 0), where δ = 0.283 and 0.348 at 7.4 K for y = 0.1 and 0.5, respectively. In the Bi_0.9Ba_0.1Fe_0.9Ti_0.1O₃ multiferroic a magnetic order is destroyed at 600 K and the Fe-ion magnetic moment decreases from µ = 3.46(5) μ_B at 300 K to zero at 600 K.

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