Magnetic skyrmion materials

Y Tokura, N Kanazawa - Chemical Reviews, 2020 - ACS Publications
Skyrmion, a concept originally proposed in particle physics half a century ago, can now find
the most fertile field for its applicability, that is, the magnetic skyrmion realized in …

Breakdown of Magnetic Order in the Pressurized Kitaev Iridate

M Majumder, RS Manna, G Simutis, JC Orain, T Dey… - Physical review …, 2018 - APS
Temperature-pressure phase diagram of the Kitaev hyperhoneycomb iridate β-Li 2 IrO 3 is
explored using magnetization, thermal expansion, magnetostriction, and muon spin rotation …

Topological phase transitions and critical phenomena associated with unwinding of spin crystals by high magnetic fields

N Kanazawa, Y Fujishiro, K Akiba… - journal of the physical …, 2022 - journals.jps.jp
A variety of magnetic particles with unique topology have been explored since the
experimental discovery of magnetic skyrmions. Those topologically-nontrivial spin-twisting …

Frustration-driven magnetic fluctuations as the origin of the low-temperature skyrmion phase in Co7Zn7Mn6

V Ukleev, K Karube, PM Derlet, CN Wang… - npj Quantum …, 2021 - nature.com
In chiral cubic helimagnets, phases of magnetic skyrmions—topologically protected spin
whirls—are stabilized by thermal fluctuations over a narrow region directly below the …

Short period magnetization texture of B20-MnGe explained by thermally fluctuating local moments

E Mendive-Tapia, M dos Santos Dias, S Grytsiuk… - Physical Review B, 2021 - APS
B20-type compounds, such as MnSi and FeGe, host helimagnetic and skyrmion phases at
the mesoscale, which are canonically explained by the combination of ferromagnetic …

Topological magnetic structures in MnGe: Neutron diffraction and symmetry analysis

V Pomjakushin, I Plokhikh, JS White, Y Fujishiro… - Physical Review B, 2023 - APS
From new neutron powder diffraction experiments on the chiral cubic (P 2 1 3) magnet
manganese germanide (MnGe), we analyze all of the possible crystal symmetry-allowed …

Entanglement between Muon and Nuclear Spins as a Probe of Charge Environment

P Bonfa, J Frassineti, JM Wilkinson, G Prando… - Physical Review Letters, 2022 - APS
We report on the first example of quantum coherence between the spins of muons and
quadrupolar nuclei. We reveal that these entangled states are highly sensitive to a local …

Quantum effects in muon spin spectroscopy within the stochastic self-consistent harmonic approximation

IJ Onuorah, P Bonfa, R De Renzi, L Monacelli… - Physical Review …, 2019 - APS
Muon spin rotation experiments involve muons that experience zero-point vibration at their
implantation sites. Quantum-mechanical calculations of the host material usually treat the …

Complex magnetism of B20-MnGe: from spin-spirals, hedgehogs to monopoles

M Bornemann, S Grytsiuk, PF Baumeister… - Journal of Physics …, 2019 - iopscience.iop.org
B20 compounds are the playground for various non-trivial magnetic textures such as
skyrmions, which are topologically protected states. Recent measurements on B20-MnGe …

Muon contact hyperfine field in metals: A DFT calculation

IJ Onuorah, P Bonfà, R De Renzi - Physical Review B, 2018 - APS
In positive muon spin rotation and relaxation spectroscopy it is becoming customary to take
advantage of density functional theory (DFT) based computational methods to aid the …