187 citations · 747 across the 28 of their papers we have counts for
23 papers · 1 filter
Real-space manifestation of ferroic multipoles in altermagnetic MnF
Iurii Kibalin, Dalila Bounoua, José A. Rodriguez Velamazán +9
Altermagnets are unconventional spin split magnets arising from the zero spin-orbit coupled limit. They host a magnetic multipolar order parameter yet direct real-space observation…
Resolving the Magnetic Ground State and Field-Induced Transitions in Magnetic Dirac Semimetal Candidate EuMnSb
Yiu-Fung Chiu, Jian-Rui Soh, Sanjay Sharma +9
The magnetic structure of a magnetic topological semimetal EuMnSb is investigated in fields up to 30 T using polarized and unpolarized neutron diffraction, pulsed-field x-ray m…
Evidence of rotational and tilting disorder of ReO6 octahedra in single crystals of a 5d1 double perovskite Ba2CaReO6
Alasdair Nicholls, Jian-Rui Soh, Yikai Yang +4
We present results of an experimental study on single crystals of a 5d1 double perovskite Ba2CaReO6. Magnetization measurements reveal a weak splitting between zero-field-cooled an…
Paramagnetic half-moon shaped diffuse scattering arising from 3D magnetic frustration
Nelly Natsch, Tara N. Tošić, Jian-Rui Soh +1
We use spin dynamics simulations to determine the origin of the unusual correlated diffuse scattering, characterised by half-moon shapes bridging the magnetic Bragg peaks, observed…
Dynamic Jahn-Teller effect in the strong spin-orbit coupling regime
Ivica Zivkovic, Jian-Rui Soh, Oleg Malanyuk +15
Exotic quantum phases, arising from a complex interplay of charge, spin, lattice and orbital degrees of freedom, are of immense interest to a wide research community. A well-known…
Persistent quantum vibronic dynamics in a double perovskite oxide
Naoya Iwahara, Jian-Rui Soh, Daigorou Hirai +10
Quantum entanglement between the spin, orbital, and lattice degrees of freedom in condensed matter systems can emerge due to an interplay between spin-orbit and vibronic interactio…
Spectroscopic signatures and origin of a hidden order in BaMgReO
Jian-Rui Soh, Maximilian E. Merkel, Leonid Pourovskii +12
Clarifying the underlying mechanisms that govern ordering transitions in condensed matter systems is crucial for comprehending emergent properties and phenomena. While transitions…
Dynamics of KNi(SO) governed by proximity to a 3D spin liquid model
M. G. Gonzalez, V. Noculak, A. Sharma +9
Quantum spin liquids (QSLs) have become a key area of research in magnetism due to their remarkable properties, such as long-range entanglement, fractional excitations, pinch-point…
Field-induced bound-state condensation and spin-nematic phase in SrCu(BO) revealed by neutron scattering up to 25.9 T
Ellen Fogh, Mithilesh Nayak, Oleksandr Prokhnenko +12
Bose-Einstein condensation (BEC) underpins exotic forms of order ranging from superconductivity to superfluid 4 He. In quantum magnetic materials, ordered phases induced by an appl…
Weyl metallic state induced by helical magnetic order
Jian-Rui Soh, Irián Sánchez-Ramírez, Xupeng Yang +15
In the rapidly expanding field of topological materials there is growing interest in systems whose topological electronic band features can be induced or controlled by magnetism. M…
Magnetic excitations in the topological semimetal
Siobhan M. Tobin, Jian-Rui Soh, Hao Su +5
We report neutron scattering measurements on YbMnSb which shed new light on the nature of the magnetic moments and their interaction with Dirac fermions. Using half-polarized n…
Unravelling the origin of the peculiar transition in the magnetically ordered phase of the Weyl semimetal Co3Sn2S2
Ivica Zivkovic, Ravi Yadav, Jian-Rui Soh +4
Recent discovery of topologically non-trivial behavior in Co3Sn2S2 stimulated a notable interest in this itinerant ferromagnet (Tc = 174 K). The exact magnetic state remains ambigu…
Tuning magnetoelectricity in a mixed-anisotropy antiferromagnet
Ellen Fogh, Bastian Klemke, Manfred Reehuis +20
Control of magnetization and electric polarization is attractive in relation to tailoring materials for data storage and devices such as sensors or antennae. In magnetoelectric mat…
Revisiting the magnetic and crystal structure of multiferroic KNiPO
Alexandre Pages, Jian-Rui Soh, Marjaneh Jafari Fesharaki +2
The magnetic, dielectric and structural properties of type-I multiferroic KNiPO have been investigated by neutron powder diffraction, magnetization, dielectric and high tempera…
The magnetic structure of the topological semimetal CoSnS
Jian-Rui Soh, ChangJiang Yi, Ivica Zivkovic +6
CoSnS has recently been predicted to be a Weyl semimetal in which magnetic order is key to its behavior as a topological material. Here we report unpolarized neutron di…
Magnetic and electronic structure of the topological semimetal YbMnSb
Jian-Rui Soh, Siobhan M. Tobin, Hao Su +7
The antiferromagnetic (AFM) semimetal YbMnSb has recently been identified as a candidate topological material, driven by time-reversal symmetry breaking. Depending on the order…
Resonant X-ray scattering study of diffuse magnetic scattering from the topological semimetals EuCdAs and EuCdSb
Jian-Rui Soh, Enrico Schierle, Da-Yu Yan +6
We have investigated the magnetic correlations in the candidate Weyl semimetals EuCd, (=As, Sb) by resonant elastic X-ray scattering (REXS) at the Eu edge.…
Ground state magnetic structure of MnGe
J. -R. Soh, F. de Juan, N. Qureshi +4
We have used spherical neutron polarimetry to investigate the magnetic structure of the Mn spins in the hexagonal semimetal MnGe, which exhibits a large intrinsic anomalous Hal…
Magnetic structure and excitations of the topological semimetal YbMnBi
Jian-Rui Soh, Henrik Jacobsen, Bachir Ouladdiaf +9
We investigated the magnetic structure and dynamics of YbMnBi, with elastic and inelastic neutron scattering, to shed light on the topological nature of the charge carriers in…
Magnetic and electronic structure of Dirac semimetal candidate EuMnSb
J. -R. Soh, P. Manuel, N. M. B. Schröter +5
We report an experimental study of the magnetic order and electronic structure and transport of the layered pnictide EuMnSb, performed using neutron diffraction, angle-resolved…
An ideal Weyl semimetal induced by magnetic exchange
J. -R. Soh, F. de Juan, M. G. Vergniory +15
Weyl semimetals exhibit exceptional quantum electronic transport due to the presence of topologically-protected band crossings called Weyl nodes. The nodes come in pairs with oppos…
Magnetic and electronic structure of the layered rare-earth pnictide EuCdSb
J. -R. Soh, C. Donnerer, K. M. Hughes +4
Resonant elastic X-ray scattering (REXS) at the Eu edge reveals an antiferromagnetic structure in layered EuCdSb at temperatures below = 7.4 K with a m…
Coupling of magnetic order and charge transport in the candidate Dirac semimetal EuCdAs
M. C. Rahn, J. -R. Soh, S. Francoual +7
We use resonant elastic x-ray scattering to determine the evolution of magnetic order in EuCdAs below \,K, as a function of temperature and applied magnet…