A. Štefančič

activity

20182023

most citedIncreased lifetime of metastable skyrmions by doping

46 citations · 189 across the 13 of their papers we have counts for

collaborators

13 papers

cond-mat.mes-hall2023★ 15 cited

Soft X-ray phase nano-microscopy of micrometre-thick magnets

Jeffrey Neethi Neethirajan, Benedikt Daurer, Marisel Di Pietro Martínez +5

Imaging of nanoscale magnetic textures within extended material systems is of critical importance both to fundamental research and technological applications. Whilst high resolutio…

cond-mat.str-el2021

Investigations of the size distribution and magnetic properties of nanoparticles of Cu $_{2}$ OSeO $_{3}$

S. J. R. Holt, A. Štefančič, J. C. Loudon +2

Skyrmions in confined geometries have been a subject of increasing interest due to the different properties that they exhibit compared to their bulk counterparts. In this study, na…

cond-mat.str-el2021★ 10 cited

Experimental Evidence of a change of Exchange Anisotropy Sign with Temperature in Zn-Substituted Cu2OSeO3

S. H. Moody, P. Nielsen, M. N. Wilson +4

We report small-angle neutron scattering from the conical state in a single crystal of Zn-substituted Cu2OSeO3. Using a 3D vector-field magnet to reorient the conical wavevector, o…

cond-mat.str-el2020★ 19 cited

Megahertz dynamics in skyrmion systems probed with muon-spin relaxation

T. J. Hicken, M. N. Wilson, K. J. A. Franke +10

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…

cond-mat.str-el2020★ 6 cited

Spin dynamics in bulk MnNiGa and Mn $_{1.4}$ Pt $_{0.9}$ Pd $_{0.1}$ Sn investigated by muon spin relaxation

M. N. Wilson, T. J. Hicken, M. Gomilšek +7

We report muon spin relaxation and magnetometry studies of bulk Mn $_{1.4}$ Pt $_{0.9}$ Pd $_{0.1}$ Sn and MnNiGa, two materials which have recently been proposed to host topological mag…

cond-mat.str-el2020★ 3 cited

Structure and magnetism of the skyrmion hosting family GaV $_{4}$ S $_{8 - y}$ Se $_{y}$ with low levels of substitutions between $0 \leq y \leq 0.5$ and $7.5 \leq y \leq 8$

S. J. R. Holt, A. Štefančič, C. Ritter +3

Polycrystalline members of the GaV $_{4}$ S $_{8 - y}$ Se $_{y}$ family of materials with small levels of substitution between $0 \leq y \leq 0.5$ and $7.5 \leq y \leq 8$ have been synthesized…

cond-mat.str-el2020★ 2 cited

Charge Density Waves and Coplanar Magnetism in Gd2PdSi3

S. H. Moody, M. N. Wilson, M. T. Birch +5

The intermetallic Gd2PdSi3 has recently generated a lot of excitement after reports that it hosts chiral magnetic nano-skyrmions despite its centrosymmetric crystal structure. Usin…

cond-mat.str-el2020★ 11 cited

Establishing magneto-structural relationships in the solid solutions of the skyrmion hosting family of materials: GaV $_{4}$ S $_{8 - y}$ Se $_{y}$

Aleš Štefančič, Samuel J. R. Holt, Martin R. Lees +4

The GaV $_{4}$ S $_{8 - y}$ Se $_{y}$ $(y = 0$ to $8)$ family of materials have been synthesized in both polycrystalline and single crystal form, and their structural and magnetic properties…

cond-mat.str-el2020★ 15 cited

Magnetism and Néel skyrmion dynamics in GaV $_{4}$ S $_{8 - y}$ Se $_{y}$

T. J. Hicken, S. J. R. Holt, K. J. A. Franke +11

We present an investigation of the influence of low-levels of chemical substitution on the magnetic ground state and N{\' e}el skyrmion lattice (SkL) state in GaV $_{4}$ S $_{8 - y}$ Se$_y…

cond-mat.str-el2019★ 15 cited

Stability and Metastability of Skyrmions in Thin Lamellae of Cu $_{2}$ OSeO $_{3}$

M. N. Wilson, M. T. Birch, A. Štefančič +6

We report small angle X-ray scattering (SAXS) measurements of the skyrmion lattice in two 200~nm thick Cu $_{2}$ OSeO $_{3}$ lamellae aligned with the applied magnetic field parallel to t…

cond-mat.str-el2019★ 24 cited

Measuring the Formation Energy Barrier of Skyrmions in Zinc Substituted Cu $_{2}$ OSeO $_{3}$

M. N. Wilson, M. Crisanti, C. Barker +6

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 an electric field. These mea…

cond-mat.str-el2018★ 46 cited

Increased lifetime of metastable skyrmions by doping

M. T. Birch, R. Takagi, S. Seki +12

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 req…

cond-mat.str-el2018★ 23 cited

Origin of skyrmion lattice phase splitting in Zn-substituted Cu $_{2}$ OSeO $_{3}$

A. Štefančič, S. Moody, T. J. Hicken +15

We present an investigation into the structural and magnetic properties of Zn-substituted Cu $_{2}$ OSeO $_{3}$ , a system in which the skyrmion lattice (SkL) phase in the magnetic fie…

Soft X-ray phase nano-microscopy of micrometre-thick magnets

Investigations of the size distribution and magnetic properties of nanoparticles of Cu2​OSeO3​

Experimental Evidence of a change of Exchange Anisotropy Sign with Temperature in Zn-Substituted Cu2OSeO3

Megahertz dynamics in skyrmion systems probed with muon-spin relaxation

Spin dynamics in bulk MnNiGa and Mn1.4​Pt0.9​Pd0.1​Sn investigated by muon spin relaxation

Structure and magnetism of the skyrmion hosting family GaV4​S8−y​Sey​ with low levels of substitutions between 0≤y≤0.5 and 7.5≤y≤8

Charge Density Waves and Coplanar Magnetism in Gd2PdSi3

Establishing magneto-structural relationships in the solid solutions of the skyrmion hosting family of materials: GaV4​S8−y​Sey​

Magnetism and Néel skyrmion dynamics in GaV4​S8−y​Sey​

Stability and Metastability of Skyrmions in Thin Lamellae of Cu2​OSeO3​

Measuring the Formation Energy Barrier of Skyrmions in Zinc Substituted Cu2​OSeO3​