202 citations · 1.9k across the 45 of their papers we have counts for
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Spin Fluctuations in SrLaRuO
Zheng He, Qisi Wang, Yu Feng +12
We use inelastic neutron scattering to study spin fluctuations in SrLaRuO, where Lanthanum doping triggers a Lifshitz transition by pushing the van Hove singula…
Magnon dispersion in ferromagnetic SrRuO
K. Jenni, S. Kunkemöller, A. Tewari +6
The magnetic excitations in ferromagnetic SrRuO were studied by inelastic neutron scattering combining experiments on triple-axis and time-of-flight spectrometers with and with…
Low-temperature antiferromagnetic order in orthorhombic CePdAl
Vivek Kumar, Andreas Bauer, Christian Franz +6
We report the magnetization, ac susceptibility, and specific heat of optically float-zoned single crystals of CePdAl. In comparison to the properties of polycrystalline CePdA…
Evidence for magnetic fractional excitations in a Kitaev quantum-spin-liquid candidate -RuCl
Kejing Ran, Jinghui Wang, Song Bao +12
-RuCl has been studied extensively because of its proximity to the Kitaev quantum-spin-liquid (QSL) phase and the possibility of approaching it by tuning the competing inter…
Incommensurate antiferromagnetic order in CePtAl
M. Stekiel, P. Cermak, C. Franz +9
We report a neutron diffraction study of single-crystal CePtAl complemented by measurements of the specific heat under applied magnetic field. Below =3 K CePtAl$_…
Local origin of the strong field-space anisotropy in the magnetic phase diagrams of CeLaB measured in a rotating magnetic field
D. S. Inosov, S. Avdoshenko, P. Y. Portnichenko +4
Cubic f-electron compounds commonly exhibit highly anisotropic magnetic phase diagrams consisting of multiple long-range ordered phases. Field-driven metamagnetic transitions betwe…
Destruction of long-range magnetic order in an external magnetic field and the associated spin dynamics in Cu2GaBO5 and Cu2AlBO5 ludwigites
A. A. Kulbakov, R. Sarkar, O. Janson +12
The quantum spin systems CuM'BO (M' = Al, Ga) with the ludwigite crystal structure consist of a structurally ordered Cu sublattice in the form of three-leg ladders,…
Fractional antiferromagnetic skyrmion lattice induced by anisotropic couplings
Shang Gao, H. D. Rosales, F. A. Gómez Albarracín +11
Magnetic skyrmions are topological solitons with a nanoscale winding spin texture that hold promise for spintronics applications. Until now, skyrmions have been observed in a varie…
Anisotropic effect of a magnetic field on the neutron spin resonance in FeSe
Tong Chen, Youzhe Chen, David W. Tam +9
We use inelastic neutron scattering to study the effect of a magnetic field on the neutron spin resonance (Er = 3.6 meV) of superconducting FeSe (Tc = 9 K). While a field aligned a…
Field-angle resolved magnetic excitations as a probe of hidden-order symmetry in CeB6
P. Y. Portnichenko, A. Akbari, S. E. Nikitin +17
In contrast to magnetic order formed by electrons' dipolar moments, ordering phenomena associated with higher-order multipoles (quadrupoles, octupoles, etc.) are more difficult to…
Anisotropic spin fluctuations in detwinned FeSe
Tong Chen, Youzhe Chen, Andreas Kreisel +15
Superconductivity in FeSe emerges from a nematic phase that breaks four-fold rotational symmetry in the iron plane. This phase may arise from orbital ordering, spin fluctuations, o…
Rearrangement of uncorrelated valence bonds evidenced by low-energy spin excitations in YbMgGaO4
Yuesheng Li, Sebastian Bachus, Benqiong Liu +6
DC-magnetization data measured down to 40 mK speak against conventional freezing and reinstate YbMgGaO as a triangular spin-liquid candidate. Magnetic susceptibility measured p…
Relaxing Kondo screened Kramers-doublets in CeRhSi
J. Pásztorová, A. Howell, M. Songvilay +10
CeRhSi is a superconductor under pressure coexisting with a weakly antiferromagnetic phase characterized by a Bragg peak at =( 0.2, 0, 0.5) (N. Aso et al.…
Magnonic Weyl states in Cu2OSeO3
L. Zhang, Y. A. Onykiienko, P. M. Buhl +8
The multiferroic ferrimagnet CuOSeO with a chiral crystal structure attracted a lot of recent attention due to the emergence of magnetic skyrmion order in this material. He…
Magnetoelastic hybrid excitations in CeAuAl
Petr Čermák, Astrid Schneidewind, Benqiong Liu +5
The interactions between elementary excitations such as phonons, plasmons, magnons, or particle-hole pairs, drive emergent functionalities and electronic instabilities such as mult…
Intertwined dipolar and multipolar order in the triangular-lattice magnet TmMgGaO
Yao Shen, Changle Liu, Yayuan Qin +6
A phase transition is often accompanied by the appearance of an order parameter and symmetry breaking. Certain magnetic materials exhibit exotic hidden-order phases, in which the o…
Investigation of the spin-1 honeycomb antiferromagnet BaNiVO with easy plane anisotropy
E. S. Klyushina, B. Lake, A. T. M. N. Islam +6
The magnetic properties of the two-dimensional, S=1 honeycomb antiferromagnet BaNiVO have been comprehensively studied using DC susceptibility measurements and inelasti…
Spin-glass ground state in a triangular-lattice compound YbZnGaO
Zhen Ma, Jinghui Wang, Zhao-Yang Dong +19
We report on comprehensive results identifying the ground state of a triangular-lattice structured YbZnGaO to be spin glass, including no long-range magnetic order, prominent b…
Large positive correlation between the effective electron mass and the multipolar fluctuation in the heavy-fermion metal CeLaB
D. J. Jang, P. Y. Portnichenko, A. S. Cameron +8
For the last few decades, researchers have been intrigued by multipolar ordering phenomena while looking for the related quantum criticality in the heavy-fermion Kondo system Ce$_{…
Spinon confinement in a quasi one dimensional anisotropic Heisenberg magnet
A. K. Bera, B. Lake, F. H. L. Essler +6
Confinement is a process by which particles with fractional quantum numbers bind together to form quasiparticles with integer quantum numbers. The constituent particles are confine…
Spin-Wave and Electromagnon Dispersions in Multiferroic MnWO4 as Observed by Neutron Spectroscopy: Isotropic Heisenberg Exchange versus Anisotropic Dzyaloshinskii-Moriya Interaction
Y. Xiao, C. M. N. Kumar, S. Nandi +6
High resolution inelastic neutron scattering reveals that the elementary magnetic excitations in multiferroic MnWO4 consist of low energy dispersive electromagnons in addition to t…
Magnetic field dependence of the neutron spin resonance in CeB6
P. Y. Portnichenko, S. V. Demishev, A. V. Semeno +12
In zero magnetic field, the famous neutron spin resonance in the f-electron superconductor CeCoIn5 is similar to the recently discovered exciton peak in the non-superconducting CeB…
Consequences of critical interchain couplings and anisotropy on a Haldane chain
A. K. Bera, B. Lake, A. T. M. N. Islam +6
Effects of interchain couplings and anisotropy on a Haldane chain have been investigated by single crystal inelastic neutron scattering and density functional theory (DFT) calculat…
Magnetic-field and doping dependence of low-energy spin fluctuations in the antiferroquadrupolar compound Ce(1-x)La(x)B(6)
G. Friemel, H. Jang, A. Schneidewind +6
CeB(6) is a model compound exhibiting antiferroquadrupolar (AFQ) order, its magnetic properties being typically interpreted within localized models. More recently, the observation…