36 citations · 59 across the 22 of their papers we have counts for
22 papers
Helimagnetism from competing intra- and interchain interactions in CrBr and CrI
John A. Schneeloch, Matthew B. Stone, Zachary Morgan +1
CrBr and CrI are promising platforms for studying the effect of dimensionality on magnetic order, having been isolated in a 3-, 2-, and 1-dimensional form as bulk crystals,…
The self-organized vacancy order in PrGe
Jayashani S. T. Wickramasinghe, Melissa G. Anderson, Kelci Graville +11
In this work, we report the discovery of a new crystal structure on the Ge-rich side of the Pr-Ge binary phase diagram. Using a high-temperature flux technique, we grew single crys…
NeuXtalViz: Interactive Three-Dimensional Visualization and Analysis for Single-Crystal Neutron Diffraction
Zachary Morgan, Zhongcan Xiao, Sylwia Pawledzio +7
NeuXtalViz (Neutron Single-Crystal Visualization) is a Python-based software package developed at Oak Ridge National Laboratory to provide interactive three-dimensional visualizati…
Near-degenerate competing magnetic orders in EuAgAs: a tunable route to altermagnetism
Mohamed El Gazzah, Daniel Kaplan, Zachary Morgan +5
Altermagnets (AMs) have recently emerged as a distinct magnetic class bridging central features of ferromagnets (FMs) and antiferromagnets (AFMs), offering new opportunities for sp…
Contrasting structural reversibility and magnetic correlations in isostructural honeycomb magnets CrCl and -RuCl
Zachary Morgan, Iris Ye, Jiasen Guo +2
We report a comparative neutron single crystal diffraction study of the structural and magnetic properties of layered halides CrCl and -RuCl, which host a honeycomb arra…
Experimental investigation of altermagnetic order in Cr-doped FeSb2
A K M Ashiquzzaman Shawon, Eoghan Downey, Shane Smolenski +16
Altermagnets are a class of materials with compensated magnetic moments, in which spin sublattices are related by specific rotational symmetries other than inversion or translation…
Magnetism and magnetoelastic effect in 2D van der Waals multiferroic CuCrP2S6
Jiasen Guo, Ryan P. Siebenaller, Michael A. Susner +3
We report a magnetic and neutron diffraction study on the ground state magnetism and field evolution of single crystal van der Waals multiferroic CuCrP2S6. The ordered moments alig…
Coexisting Paramagnetic Spins and Long-Range Magnetic Order in Ba(RuIr)O
Farhan Islam, Jiasen Guo, Wei Tian +6
We investigate the effect of dilute Ir substitution on the magnetism of the trimer-based ruthenate BaRuO using neutron diffraction, magnetic susceptibility measureme…
Uniaxial strain tuned magnetism of the altermagnet candidate h-FeS
Weiliang Yao, Feng Ye, Zachary J. Morgan +9
Altermagnets are collinear magnetic materials with 'alter'nating local crystalline environments, characterized by joint spin and crystalline symmetries that enable ferromagnetic-li…
Non-Altermagnetic Origin of Exchange Bias Behaviors in Incoherent RuO/Fe Bilayer Heterostructures
Shelby S. Fields, Joseph C. Prestigiacomo, Cory D. Cress +14
Initially identified as a promising altermagnetic (AM) candidate, rutile RuO has since become embroiled in controversy due to contradictory findings of modeling and measurement…
Long-lived dynamics of the charge density wave in TiSe2 observed by time-resolved neutron diffraction
K. Dharmasiri, S. S. Philip, D. Louca +4
We use time-resolved elastic neutron scattering combined with laser heating to probe the temporal evolution of periodic lattice distortions (PLD) due to the formation of a charge d…
Temporal and spatial separations between spin glass and short-range order
Margarita G. Dronova, Feng Ye, Zachary J. Morgan +2
Broken-symmetry-induced order parameters account for many phenomena in condensed matter physics. For spin glasses, such a framework dictates its theoretical construction, whereas e…
Robust superzone gap opening in incommensurate antiferromagnetic semimetal EuAgSb under in-plane magnetic field
J. Green, Arpit Arora, Madalynn Marshall +6
The interplay between magnetism and charge transport in semimetals has emerged as a fertile ground for discovering novel electronic phenomena. A notable example is the recent disco…
Emergent hidden order in ice: frustration and glassiness from slow hydrogen dynamics
Tianran Chen, D. Jonathan P. Morris, Isaac C. Ownby +9
Frustrated systems can host hidden order, in which weak interactions select correlated structure from a highly degenerate manifold. Water ice Ih is the canonical example of such a…
Correlation between Complex Spin Textures and the Magnetocaloric and Hall Effects in Eu(GaAl) ( = 0.9, 1)
Kelly J. Neubauer, Kevin Allen, Jaime M. Moya +7
Determining the electronic phase diagram of a quantum material as a function of temperature (T) and applied magnetic field (H) forms the basis for understanding the microscopic ori…
Spiral Spin Liquid State in the Corrugated Honeycomb Lattice of CaMnP
Farhan Islam, Nikita D. Andriushin, Thaís V. Trevisan +9
CaMnP exemplifies the realization of a frustrated -- Heisenberg model of a corrugated honeycomb magnetic lattice. Previous studies show that below the Néel t…
Single Crystal Diffuse Neutron Scattering Study of the Dipole-Octupole Quantum Spin Ice Candidate CeZrO: No Apparent Octupolar Correlations Above K
E. M. Smith, R. Schäfer, J. Dudemaine +8
The insulating magnetic pyrochlore CeZrO has gained attention as a quantum spin ice candidate with dipole-octupole character arising from the crystal electric field gro…
Three-dimensional checkerboard spin structure on a breathing pyrochlore lattice
Margarita G. Dronova, Vaclav Petricek, Zachary Morgan +3
The standard approach to realize a spin liquid state is through magnetically frustrated states, relying on ingredients such as the lattice geometry, dimensionality, and magnetic in…
Structure transition and zigzag magnetic order in Ir/Rh-substituted honeycomb lattice RuCl3
Zachary Morgan, Iris Ye, Colin L. Sarkis +3
We report magnetization and neutron diffraction studies on crystal and magnetic structures of Ir- and Rh-substituted honeycomb lattice -RuCl. The iridium or rhodium atoms ar…
Structural changes induced by electric currents in a single crystal of PrCuO
Susmita Roy, Feng Ye, Zachary Morgan +7
We demonstrate a novel approach to the structural and electronic property modification of perovskites, focusing on PrCuO, an undoped parent compound of a class of electron-…
Magnetic Structure and Spin Fluctuations in Colossal Magnetoresistance Ferrimagnet Mn3Si2Te6
Feng Ye, Masaaki Matsuda, Zachary Morgan +4
The ferrimagnetic insulator Mn3Si2Te6, which features a Curie temperature Tc at 78 K and a delicate yet consequential magnetic frustration, exhibits colossal magnetoresistance (CMR…
Canted antiferromagnetic order and spin dynamics in the honeycomb-lattice Tb2Ir3Ga9
Feng Ye, Zachary Morgan, Wei Tian +7
Single crystal neutron diffraction, inelastic neutron scattering, bulk magnetization measurements, and first-principles calculations are used to investigate the magnetic properties…