208 citations · 703 across the 18 of their papers we have counts for
19 papers
Photoluminescent Tetragonal Tb-doped Pb2P2O7
Yong Liu, Wenhua Bi, Alla Arakcheeva +1
In this study, we report the synthesis and characterization of a novel tetragonal polymorph of Tb-doped Pb2P2O7. Single-crystal X-ray diffraction confirms the stabilization of the…
Magnetic field-induced chiral soliton lattice in the bulk magnetoelectric helimagnet CuOSeO
Victor Ukleev, Arnaud Magrez, Jonathan S. White
Chiral soliton lattices (CSLs) are anharmonic magnetic structures typically found in uniaxial chiral magnets. In this study, we report the observation of CSL in bulk CuOSeO…
Advanced SQUID-on-lever scanning probe for high-sensitivity magnetic microscopy with sub-100-nm spatial resolution
Timur Weber, Daniel Jetter, Jan Ullmann +13
Superconducting quantum interference devices (SQUIDs) are exceptionally sensitive magnetometers capable of detecting weak magnetic fields. Miniaturizing these devices and integrati…
A Surface-confined Spiral State With the Double Period in the Cubic Chiral Helimagnet CuOSeO
Priya R. Baral, Oleg I. Utesov, Samuel H. Moody +10
The chiral magnetoelectric insulator CuOSeO hosts a rich and anisotropic magnetic phase diagram that includes helical, conical, field-polarised, tilted conical, and skyrmio…
Helical spin dynamics in CuOSeO as measured with small-angle neutron scattering
Victor Ukleev, Priya R. Baral, Robert Cubitt +3
The insulating chiral magnet CuOSeO exhibits a rich array of low-temperature magnetic phenomena, making it a prime candidate for the study of its spin dynamics. Using spin…
Fluctuation-driven topological Hall effect in room-temperature itinerant helimagnet Fe3Ga4
Priya R. Baral, Victor Ukleev, Ivica Živković +12
The topological Hall effect (THE) is a hallmark of a non-trivial geometric spin arrangement in a magnetic metal, originating from a finite scalar spin chirality (SSC). The associat…
Imaging magnetic spiral phases, skyrmion clusters, and skyrmion displacements at the surface of bulk CuOSeO
E. Marchiori, G. Romagnoli, L. Schneider +8
Surfaces -- by breaking bulk symmetries, introducing roughness, or hosting defects -- can significantly influence magnetic order in magnetic materials. Determining their effect on…
Real and Reciprocal Space Characterization of the 3-Dimensional Charge Density Wave in Quasi-1-Dimensional CuTe
Fei Guo, Michele Puppin, Lukas Hellbruck +4
Low-dimensional materials are susceptible to electronic instabilities such as charge density waves (CDWs), originating from a divergence in the Lindhard electron response function,…
Short-wave magnons with multipole spin precession detected in the topological bands of a skyrmion lattice
Ping Che, Riccardo Ciola, Markus Garst +7
Topological magnon bands enable uni-directional edge transport without backscattering, enhancing the robustness of magnonic circuits and providing a novel platform for exploring qu…
Evidence of Coulomb interaction induced Lifshitz transition and robust hybrid Weyl semimetal in Td MoTe2
N. Xu, Z. W. Wang, A. Magrez +13
Using soft x-ray angle-resolved photoemission spectroscopy we probed the bulk electronic structure of Td MoTe2. We found that on-site Coulomb interaction leads to a Lifshitz transi…
Enhanced ultrafast relaxation rate in the Weyl semimetal phase of measured by time-and angle-resolved photoelectron spectroscopy
A. Crepaldi, G. Autès, G. Gatti +18
has recently been shown to realize in its low-temperature phase the type-II Weyl semimetal (WSM). We investigated by time- and angle- resolved photoelectron spect…
Revealing the role of electrons and phonons in the ultrafast recovery of charge density wave correlations in 1-TiSe
C. Monney, M. Puppin, C. W. Nicholson +8
Using time- and angle-resolved photoemission spectroscopy with selective near- and mid-infrared photon excitations, we investigate the femtosecond dynamics of the charge density wa…
Evidence for a Strong Topological Insulator Phase in
G. Manzoni, L. Gragnaniello, G. Autès +16
The complex electronic properties of have recently stimulated in-depth investigations that assigned this material to either a topological insulator or a 3D Dirac…
Spin excitations in the skymion host Cu2OSeO3
G S Tucker, J S White, J Romhányi +10
We have used inelastic neutron scattering to measure the magnetic excitation spectrum along the high-symmetry directions of the first Brillouin zone of the magnetic skyrmion hostin…
Possibility of an unconventional spin state of Ir in BaIrO single crystal
L. Yang, M. Jeong, A. Arakcheeva +11
We report the synthesis of single crystals of a novel layered iridate BaIrO, and present the crystallographic, transport and magnetic properties of this material.…
Ultrafast Optical Control of the Electronic Properties of
G. Manzoni, A. Sterzi, A. Crepaldi +8
We report on the temperature dependence of the electronic properties, studied at equilibrium and out of equilibrium, by means of time and angle resolved photoelectron spec…
Electric field-induced Skyrmion distortion and giant lattice rotation in the magnetoelectric insulator Cu2OSeO3
J. S. White, K. Prša, P. Huang +9
Uniquely in Cu2OSeO3, the Skyrmions, which are topologically protected magnetic spin vortex-like objects, display a magnetoelectric coupling and can be manipulated by externally ap…
Unusual Shubnikov-de Haas oscillations in BiTeCl
C. Martin, A. V. Suslov, S. Buvaev +5
We report measurements of Shubnikov-de Haas (SdH) oscillations in single crystals of BiTeCl at magnetic fields up to 31 T and at temperatures as low as 0.4 K. Two oscillation frequ…
Exploration of the helimagnetic and skyrmion lattice phase diagram in Cu2OSeO3 using magnetoelectric susceptibility
A. A. Omrani, J. S. White, K. Prša +6
Using SQUID magnetometry techniques, we have studied the change in magnetization versus applied ac electric field, i.e. the magnetoelectric (ME) susceptibility dM/dE, in the chiral…