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Articles by V. Ukleev
Field-induced condensation of π to 2 π soliton lattices in chiral magnets
Abstract Chiral soliton lattices (CSLs) emerge from the competition between Dzyaloshinskii–Moriya interaction, anisotropy, and magnetic fields. While well established in monoaxial helimagnets, their role in materials with anisotropic, direction-dependent chirality remains poorly understood.
Observation of distorted tilted conical phase at the surface of a bulk chiral magnet with resonant elastic x-ray scattering
?Mathematical formulae have been encoded as MathML and are displayed in this HTML version using MathJax in order to improve their display. Uncheck the box to turn MathJax off. This feature requires Javascript. Click on a formula to zoom. ABSTRACT We report on various magnetic configurations including spirals and skyrmions at the surface of the magnetic insulator Cu 2OSeO3 at low temperatures with a magnetic field applied along 100 using resonant elastic X-ray scattering (REXS).
Spin wave stiffness and damping in a frustrated chiral helimagnet ${\mathrm{Co}}_{8}{\mathrm{Zn}}_{8}{\mathrm{Mn}}_{4}$ as measured by small-angle neutron scattering
Abstract Multiple intriguing low-temperature phenomena have recently been discovered in the family of chiral cubic Co-Zn-Mn compounds with a β-Mn-type structure. In particular, Co8Zn8Mn4 displays a reduction of the helical spiral pitch on cooling along with lattice shape transformations of metastable skyrmions and the manifestation of peculiar magnetic textures due to strong magnetocrystalline anisotropy.
Particle-size dependent structural transformation of skyrmion lattice
Abstract Magnetic skyrmion is a topologically protected particle-like object in magnetic materials, appearing as a nanometric swirling spin texture. The size and shape of skyrmion particles can be flexibly controlled by external stimuli, which suggests unique features of their crystallization and lattice transformation process.
Metastable skyrmion lattices governed by magnetic disorder and anisotropy in $\ensuremath{\beta}$-Mn-type chiral magnets
Abstract Magnetic skyrmions are vortexlike topological spin textures often observed in structurally chiral magnets with Dzyaloshinskii-Moriya interaction. Among them, Co-Zn-Mn alloys with a β-Mn-type chiral structure host skyrmions above room temperature. In this system, it has recently been found that skyrmions persist over a wide temperature and magnetic field region as a long-lived metastable state, and that the skyrmion lattice transforms from a triangular lattice to a square one.
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