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Magnetocrystalline anisotropy in magnetically ordered states of CuO (CROSBI ID 667155)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Dragičević, M: ; Lafargue-dit-Hauret, W ; Rocquefelte, X. ; Herak, M. ; Kimura, T. Magnetocrystalline anisotropy in magnetically ordered states of CuO // 10th International School and Conference on Physics and Applications of Spin Phenomena in Solids. Linz: Johannes Kepler University Linz, 2018. str. 132-132

Podaci o odgovornosti

Dragičević, M: ; Lafargue-dit-Hauret, W ; Rocquefelte, X. ; Herak, M. ; Kimura, T.

engleski

Magnetocrystalline anisotropy in magnetically ordered states of CuO

Multiferroics are materials where magnetic and ferroelectric order coexist. This opens a possibility of control of magnetic order by both magnetic and electric field which makes these materials potentially technologically important. CuO is quasi-one-dimensional S=1/2 system which is also multiferroic. CuO has three magnetically ordered phases: below T_N1=213 K it is collinear antiferromagnet (AFM1 phase), between T_N1 < T < T_N2 (T_N2 = 229.3 K) it is incommensurable spiral antiferromagnet(AFM2 phase) and also multiferroic, and between T_N2 < T < T_N3 (T_N3 = 230 K) it is incommensurable collinear antiferromagnet (AFM3 phase). Theoretical calculations have shown that CuO could be multiferroic at room temperature under high pressures. Multiferroic state of CuO is still widely studied and not completely understood. Anisotropic interactions, i.e. Dzayloshinskii-Moriya, is expected to play an important role in multiferroic phase [5]. Measuring magnetic anisotropy is thus crucial for understanding of mechanism responsible for multiferroicity in CuO. Macroscopic anisotropy of CuO is studied with torque magnetometry in low magnetic fields in the temperature range 4.2 K – 300 K. All three magnetic phase transitions are observed in torque

multiferroics, magnetic anisotropy CuO

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Podaci o prilogu

132-132.

2018.

objavljeno

Podaci o matičnoj publikaciji

10th International School and Conference on Physics and Applications of Spin Phenomena in Solids

Linz: Johannes Kepler University Linz

Podaci o skupu

10th International School and Conference on Physics and Applications of Spin Phenomena in Solids

poster

05.08.2018-09.08.2018

Linz, Austrija

Povezanost rada

Fizika