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Magnetic excitations and interactions in the Weyl ferrimagnet NdAlSi
Chris J. Lygouras, Hung-Yu Yang, Xiaohan Yao +9
Weyl fermions can arise from time-reversal symmetry-breaking magnetism, but their impact on magnetic order is a source of ongoing research. Using high-precision neutron diffraction…
Two types of colossal magnetoresistance with distinct mechanisms in Eu5In2As6
Sudhaman Balguri, Mira B. Mahendru, Enrique O. Gonzalez Delgado +8
Recent reports of colossal negative magnetoresistance (CMR) in a few magnetic semimetals and semiconductors have attracted attention, because these materials are devoid of the conv…
Magnetic field tuned superconducting and normal phase magnetism in CeCoRhIn
A. Howell, M. Songvilay, J. A. Rodriguez-Rivera +7
By tuning superconductivity with an applied magnetic field, we use neutrons to compare the magnetic ordered phases in superconducting and normal states of CeCoRhIn$…
Neutron absorption correction and mean path length calculations for multiple samples with arbitrary shapes -- applications to highly absorbing samples on the Multi-Axis Crystal Spectrometer at NIST
Jose A. Rodriguez-Rivera, Chris Stock
The finite volume algorithm for absorption correction developed by Wunch and Prewitt is examined. This algorithm is based on the numerical integration of the transmission function…
Connection between f-electron correlations and magnetic excitations in UTe2
Thomas Halloran, Peter Czajka, Gicela Saucedo Salas +8
The detailed anisotropy of the low-temperature, low-energy magnetic excitations of the candidate spin-triplet superconductor UTe is revealed using inelastic neutron scattering.…
Anisotropic excitonic magnetism from discrete symmetry in CeRhIn
D. J. Brener, I. Rodriguez Mallo, H. Lane +6
Anisotropy in strongly correlated materials is a central parameter in determining the electronic ground state and is tuned through the local crystalline electric field. This is not…
Pulling order back from the brink of disorder: Observation of a nodal line spin liquid and fluctuation stabilized order in KIrCl
Qiaochu Wang, Alberto de la Torre, Jose A. Rodriguez-Rivera +8
Competing interactions in frustrated magnets can give rise to highly degenerate ground states from which correlated liquid-like states of matter often emerge. The scaling of this d…
Unraveling the magnetic ground-state in alkali-metal lanthanide oxide NaPrO
Ifeanyi John Onuorah, Jonathan Frassineti, Qiaochu Wang +8
A comprehensive set of muon spin spectroscopy and neutron scattering measurements supported by ab-initio and model Hamiltonian simulations have been used to investigate the magneti…
Continuum of magnetic excitations in the Kitaev honeycomb iridate DLiIrO
Thomas Halloran, Yishu Wang, K. W. Plumb +12
Inelastic neutron scattering (INS) measurements of powder DLi)(Ir)O reveal low energy magnetic excitations with a scattering cross section that is broad in…