activity
20162026
most citedThe dispersion relation of Landau elementary excitations and the thermodynamic properties of superfluid He

53 citations · 206 across the 18 of their papers we have counts for

collaborators

18 papers

cond-mat.str-el2026

Vortex order in magnetic frustrated GeNiO and GeCoO spinels

K. Beauvois, J. Robert, M. Songvilay +11

In the search for new spin textures based on singular magnetic objects like Bloch-points or vortices, spinel compounds emerge as an interesting playground due to the interplay betw…

cond-mat.str-el2023★ 9 cited

Incommensurate antiferromagnetism in UTe2 under pressure

W. Knafo, T. Thebault, P. Manuel +10

The discovery of multiple superconducting phases in UTe2 boosted research on correlated-electron physics. This heavy-fermion paramagnet was rapidly identified as a reference compou…

cond-mat.str-el2023

Magnetic field-induced phases and spin Hamiltonian in Cs2CoBr4

L. Facheris, S. D. Nabi, K. Yu. Povarov +12

Magnetic structures and spin excitations are studied across the phase diagram of the geometrically frustrated S = 3/2 quantum antiferromagnet Cs2CoBr4 in magnetic fields applied al…

cond-mat.str-el2023

Hydrostatic pressure effects in the Kitaev quantum magnet -RuCl: A single-crystal neutron diffraction study

Xiao Wang, Fengfeng Zhu, Navid Qureshi +5

We report a comprehensive single-crystal neutron diffraction investigation of the Kitaev quantum magnet -RuCl under hydrostatic pressure. Utilizing a He-gas pressure cell,…

cond-mat.str-el2022★ 7 cited

Neutron diffraction in MnSb2O6: Magnetic and structural domains in a helicoidal polar magnet with coupled chiralities

E. Chan, J. Pásztorová, R. D. Johnson +10

MnSbO is based on the structural chiral 321 space group #150 where the magnetic Mn moments (, ) order antiferromagnetically at $T_\mathrm{N…

cond-mat.str-el2021★ 5 cited

Phase diagram and spin waves in the frustrated ferro-antiferromagnet SrZnVO(PO4)2

Florian Landolt, Zewu Yan, Severian Gvasaliya +4

Single crystals of the frustrated S=1/2 ferro-antiferromagnetic proximate square lattice material SrZnZnVO(PO) are studied in magnetometric, calorimetric, neutron diffracti…

cond-mat.str-el2021★ 16 cited

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…

cond-mat.str-el2021★ 4 cited

Field-temperature phase diagram of the enigmatic Nd(ZrTi)O pyrochlore magnets

M. Léger, E. Lhotel, E. Ressouche +8

By combining neutron scattering and magnetization measurements down to 80 mK, we determine the phase diagram of the Nd(ZrTi)O pyrochlore magnet comp…

cond-mat.other2021★ 3 cited

Infrared phonon spectroscopy on the Cairo pentagonal antiferromagnet Bi2Fe4O9: a study through the pressure induced structural transition

M. Verseils, A. P. Litvinchuk, J-B Brubach +7

Magnetic and crystallographic transitions in the Cairo pentagonal magnet Bi2Fe4O9 are investigated by means of infrared synchrotron-based spectroscopy as a function of temperature…

cond-mat.str-el2021★ 18 cited

Magneto-structural coupling in ilmenite-type NiTiO: a combined diffraction and dilatometry study

Kaustav Dey, Sven Sauerland, Bashir Ouladdiaf +3

We report the ground state magnetic structure and in-field magnetostrictive effects of NiTiO studied by means of zero field and in-field single-crystal neutron diffraction, mag…

cond-mat.other2020★ 53 cited

The dispersion relation of Landau elementary excitations and the thermodynamic properties of superfluid He

H. Godfrin, K. Beauvois, A. Sultan +4

The dispersion relation of the elementary excitations of superfluid He has been measured at very low temperatures, from saturated vapor pressure up to solidification, us…

cond-mat.str-el2020★ 4 cited

Magnetic structure of Cd-doped CeIrIn

K. Beauvois, N. Qureshi, R. Tsunoda +6

We report the magnetic structure of nominally 10% Cd-doped CeIrIn, CeIr(InCd), determined by elastic neutron scattering. Magnetic intensity was observed onl…

cond-mat.str-el2019★ 19 cited

Dimer Physics in the Frustrated Cairo Pentagonal Antiferromagnet Bi2Fe4O9

K. Beauvois, V. Simonet, S. Petit +7

The research field of magnetic frustration is dominated by triangle-based lattices but exotic phenomena can also be observed in pentagonal networks. A peculiar noncollinear magneti…

cond-mat.str-el2019★ 4 cited

Inhomogeneous spin excitations in weakly coupled spin-1/2 chains

L. Shen, E. Campillo, O. Zaharko +8

We present a systematic inelastic neutron scattering and neutron diffraction study of the magnetic structure of the quasi-1D spin-1/2 magnet SrCo2V2O8, where the interchain couplin…

cond-mat.other2019★ 3 cited

Transport and Phonon Damping in He

K. Beauvois, H. Godfrin, E. Krotscheck +1

The dynamic structure function informs about the dispersion and damping of excitations. We have recently (Phys. Rev. B {\bf 97}, 184520 (2018)) compared experimental resul…

cond-mat.str-el2019★ 13 cited

Magnetic structure and spin waves in the frustrated ferro-antiferromagnet PbVO(PO)

Simon Bettler, Florian Landolt, Ömer M. Aksoy +9

Single crystal neutron diffraction, inelastic neutron scattering and electron spin resonance experiments are used to study the magnetic structure and spin waves in PbVO(PO)…

cond-mat.other2018★ 29 cited

Microscopic dynamics of superfluid He: a comprehensive study by inelastic neutron scattering

K. Beauvois, J. Dawidowski, B. Fåk +4

The dynamic structure factor of superfluid He has been investigated at very low temperatures by inelastic neutron scattering. The measurements combine different incoming energi…

cond-mat.other2016★ 19 cited

Superfluid 4He dynamics beyond quasiparticle excitations

K. Beauvois, C. E. Campbell, J. Dawidowski +7

The dynamics of superfluid 4He at and above the Landau quasiparticle regime is investigated by high precision inelastic neutron scattering measurements of the dynamic structure fac…