Magnetoelectric and multiferroic media

Pyatakov, A. P.; Zvezdin, A. K.

doi:10.3367/ufnr.0182.201206b.0593

Cited by 104 publications

(39 citation statements)

References 307 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Secondly, being an insulator, Cu 2 OSeO 3 has magnetic-electric properties [14][15][16][17][18][19][20], which provide a new physical significance in comparison with the B20 crystals. The interconnection between magnetization gradients and electric polarization makes this crystal potentially applicable for data storing devices and spintronics [21][22][23][24]. And thirdly, but not finally, being more complex than the B20 structures (16 magnetic copper atoms in two non-equivalent positions in the unit cell) makes it an interesting object for studying spin textures.…”

Section: Introductionmentioning

confidence: 98%

Microscopic description of twisted magnet Cu2OSeO3

Chizhikov

Дмитриенко

2015

Journal of Magnetism and Magnetic Materials

View full text Add to dashboard Cite

a b s t r a c tTwisted structures of chiral cubic ferromagnets MnSi and Cu 2 OSeO 3 can be described both in the frame of the phenomenological Ginzburg-Landau theory and using the microscopical Heisenberg formalism with a chirality arising from the Dzyaloshinskii-Moriya (DM) interaction. Recent progress in quantum firstprincipal methods allows us to calculate interatomic bond parameters of the Heisenberg model, namely isotropic exchange constants J ij and DM vectors D ij , which can be used for simulations of observed magnetic textures and comparison of their calculated characteristics, such as magnetic helix sense and pitch, with an experimental data. In the present work, it is found that unaveraged microscopical details of the spin structures (local canting) have a strong impact on the global twist and can significantly change the helix propagation number. Coefficients and of the phenomenological theory and helix propagation number k /2 = are derived from interatomic parameters J ij and D ij of individual bonds for MnSi and Cu 2 OSeO 3 crystals and similar cubic magnets with almost collinear spins.

show abstract

Section: Introductionmentioning

confidence: 98%

Microscopic description of twisted magnet Cu2OSeO3

Chizhikov

Дмитриенко

2015

Journal of Magnetism and Magnetic Materials

View full text Add to dashboard Cite

show abstract

“…A non-collinear magnetic structure in hexaferrites typically has a lower transition temperature in comparison with that of a conventional ferromagnetic phase, correspondingly, the temperature of the ferroelectricity onset is also low. Some substituted hexagonal ferrites do show multiferroic properties and a relatively large ME effect at room temperature and weak magnetic fields [12][13][14][15][16][17]. This generated a practical interest in hexaferrite ferroelectrics which can be promising candidates for multiferroics operating at room temperature and low fields.…”

Section: Introductionmentioning

confidence: 99%

Dual ferroic properties of hexagonal ferrite ceramics BaFe12O19 and SrFe12O19

Kostishyn

Панина

Timofeev

et al. 2016

Journal of Magnetism and Magnetic Materials

View full text Add to dashboard Cite

“…The combination of these properties with a high saturation magnetization and a high temperature of the ferrimagnetic ordering transition around 450°C makes the hexaferrites attractive for various applications as data storage materials, permanent magnets, and electronic components operating at microwave frequencies [1][2][3]. Recently it has been reported that some hexagonal ferrites show multiferroic properties and a relatively large magnetoelectric (ME) effect at room temperature and low magnetic fields [4][5][6][7][8]. This discovery raised expectations that these materials may provide novel device applications based on the ME effect such as multiple state logic, non-volatile memory and magnetoelectric sensors.…”

Section: Introductionmentioning

confidence: 99%