Experimental signatures of quantum and topological states in frustrated magnetism
Frustration in magnetic materials arising from competing exchange interactions can prevent
the system from adopting long-range magnetic order and can instead lead to a diverse …
the system from adopting long-range magnetic order and can instead lead to a diverse …
Tilted spirals and low-temperature skyrmions in
The bulk helimagnet Cu 2 OSeO 3 represents a unique example in the family of B20 cubic
helimagnets exhibiting a tilted spiral and skyrmion phase at low temperatures when the …
helimagnets exhibiting a tilted spiral and skyrmion phase at low temperatures when the …
Anisotropic Skyrmion and Multi- Spin Dynamics in Centrosymmetric
Skyrmions are particlelike vortices of magnetization with nontrivial topology, which are
usually stabilized by Dzyaloshinskii-Moriya interactions (DMI) in noncentrosymmetric bulk …
usually stabilized by Dzyaloshinskii-Moriya interactions (DMI) in noncentrosymmetric bulk …
Topological defect-mediated skyrmion annihilation in three dimensions
The creation and annihilation of magnetic skyrmions are mediated by three-dimensional
topological defects known as Bloch points. Investigation of such dynamical processes is …
topological defects known as Bloch points. Investigation of such dynamical processes is …
Increased lifetime of metastable skyrmions by controlled do**
Previous observations of metastable magnetic skyrmions have shown that close to the
equilibrium pocket the metastable state has a short lifetime, and therefore, rapid cooling is …
equilibrium pocket the metastable state has a short lifetime, and therefore, rapid cooling is …
Thermodynamic evidence of a second skyrmion lattice phase and tilted conical phase in
Precision measurements of the magnetization and ac susceptibility of Cu 2 OSeO 3 are
reported for magnetic fields along different crystallographic directions, focusing on the …
reported for magnetic fields along different crystallographic directions, focusing on the …
Measuring the formation energy barrier of skyrmions in zinc-substituted
We report small-angle neutron scattering (SANS) measurements of the skyrmion lattice in
(Cu 0.976 Zn 0.024) 2 OSeO 3 under the application of electric and magnetic fields. These …
(Cu 0.976 Zn 0.024) 2 OSeO 3 under the application of electric and magnetic fields. These …
Megahertz dynamics in skyrmion systems probed with muon-spin relaxation
We present longitudinal-field muon-spin relaxation (LF μ SR) measurements on two systems
that stabilize a skyrmion lattice (SkL): Cu 2 OSeO 3, and Co x Zn y Mn 20− x− y for (x, y)=(10 …
that stabilize a skyrmion lattice (SkL): Cu 2 OSeO 3, and Co x Zn y Mn 20− x− y for (x, y)=(10 …
Experimental evidence of a change of exchange anisotropy sign with temperature in Zn-substituted
We report small-angle neutron scattering from the conical state in a single crystal of Zn-
substituted Cu 2 OSeO 3. Using a 3D vector-field magnet to reorient the conical wave vector …
substituted Cu 2 OSeO 3. Using a 3D vector-field magnet to reorient the conical wave vector …
Stability and metastability of skyrmions in thin lamellae of
We report small-angle x-ray scattering measurements of the skyrmion lattice in two 200-nm-
thick Cu 2 OSeO 3 lamellae aligned with the applied magnetic field parallel to the out of …
thick Cu 2 OSeO 3 lamellae aligned with the applied magnetic field parallel to the out of …