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Direct confirmation of long-range magnetic order and evidence for multipoles in CeO
Alexandra Cote, J. Eddie Slimak, Astha Sethi +10
The sesquioxide, CeO, has been a material of intense interest in recent years due to reports of an anomalous giant magnetodielectric effect and emergent mixed crystal f…
Magnetic ground state of the Kitaev NaCoTeO spin liquid candidate
Weiliang Yao, Yang Zhao, Yiming Qiu +4
As a candidate Kitaev material, NaCoTeO exhibits intriguing magnetism on a honeycomb lattice that is believed to be -symmetric. Here we report a neutron diffractio…
Incommensurate magnetic orders and topological Hall effect in the square-net centrosymmetric EuGaAl system
Jaime M. Moya, Shiming Lei, Eleanor M. Clements +16
Neutron diffraction on the centrosymmetric square-net magnet EuGaAl reveals multiple incommensurate magnetic states (AFM1,2,3) in zero field. In applied field, a new magnet…
Absence of precursor incommensurate charge order in electronic nematic Ba0.35Sr0.65Ni2As2
John Collini, Sangjun Lee, Stella X. -L. Sun +5
Recent discoveries of charge order and electronic nematic order in the iron-based superconductors and cuprates have pointed towards the possibility of nematic and charge fluctuatio…
Phase Diagram of YbZnGaO4 in Applied Magnetic Field
William Steinhardt, P. A. Maksimov, Sachith Dissanayake +11
Recently, Yb-based triangular lattice antiferromagnets have garnered significant interest as possible quantum spin liquid candidates. One example is YbMgGaO4, which showed many pro…
Chiral properties of the zero-field spiral state and field-induced magnetic phases of the itinerant kagome metal YMnSn
Rebecca L. Dally, Dina Michel, Peter Siegfried +3
Applying a magnetic field in the hexagonal plane of YMnSn leads to a complex magnetic phase diagram of commensurate and incommensurate phases, one of which coexists with th…
Novel magnetic states and nematic spin chirality in the kagome lattice metal YMnSn
Nirmal J. Ghimire, Rebecca L. Dally, L. Poudel +9
Identification, understanding, and manipulation of novel magnetic textures is essential for the discovery of new quantum materials for future spin-based electronic devices. In part…
Magnetic phase transitions and spin density distribution in the molecular multiferroic GaVS system
Rebecca L. Dally, William D. Ratcliff, Lunyong Zhang +7
We have carried out neutron diffraction and small angle neutron scattering measurements on a high quality single crystal of the cubic lacunar spinel multiferroic, GaVS, as…
Correlating magnetic structure and magnetotransport in semimetal thin films of EuSmTiO
Zach Porter, Ryan F. Need, Kaveh Ahadi +6
We report on the evolution of the average and depth-dependent magnetic order in thin film samples of biaxially stressed and electron-doped EuTiO for samples across a doping ran…
Correlations and incipient antiferromagnetic order within the linear Mn chains of metallic TiMnBi
Abhishek Pandey, Ping Miao, M. Klemm +5
We report measurements on TiMnBi, where a crystal structure involving linear chains of Mn ions suggests one-dimensional magnetic character. The electrical resistivity is me…
Kondo exhaustion and conductive surface states in antiferromagnetic YbIrSi
Macy Stavinoha, C. -L. Huang, W. Adam Phelan +13
The interplay of Kondo screening and magnetic ordering in strongly correlated materials containing local moments is a subtle problem.[1] Usually the number of conduction electrons…
Materializing Rival Ground States in the Barlowite Family of Kagome Magnets: Quantum Spin Liquid, Spin Ordered, and Valence Bond Crystal States
Rebecca W. Smaha, Wei He, Jack Mingde Jiang +13
The spin- kagome antiferromagnet is considered an ideal host for a quantum spin liquid ground state. We find that when the bonds of the kagome lattice are modulated wi…
High temperature singlet-based magnetism from Hund's rule correlations
Lin Miao, Rourav Basak, Sheng Ran +17
Uranium compounds can manifest a wide range of fascinating many-body phenomena, and are often thought to be poised at a crossover between localized and itinerant regimes for 5f ele…
Effects of a magnetic field on the fragile antiferromagnetism in YbBiPt
B. G. Ueland, A. Kreyssig, E. D. Mun +13
We present neutron diffraction data for the cubic-heavy-fermion YbBiPt that show broad magnetic diffraction peaks due to the fragile short-range antiferromagnetic (AFM) order persi…
Damping and softening of transverse acoustic phonons in colossal magnetoresistive LaCaMnO and LaSrMnO
Joel S. Helton, Yang Zhao, Dmitry A. Shulyatev +1
Neutron spectroscopy is used to probe transverse acoustic phonons near the (2, 2, 0) Bragg position in colossal magnetoresistive La0.7Ca0.3MnO3 and La0.7Sr0.3MnO3. Upon warming to…
Amplitude mode in the planar triangular antiferromagnet NaMnO
Rebecca L. Dally, Yang Zhao, Zhijun Xu +5
Amplitude modes arising from symmetry breaking in materials are of broad interest in condensed matter physics. These modes reflect an oscillation in the amplitude of a complex orde…
Thermal evolution of quasi-1D spin correlations within the anisotropic triangular lattice of -NaMnO
Rebecca L. Dally, Robin Chisnell, Leland Harriger +3
Magnetic order on the spatially anisotropic triangular lattice of -NaMnO is studied via neutron diffraction measurements. The transition into a commensurate, collinear antif…
Spin correlations of quantum-spin-liquid and quadrupole-ordered states of TbTiO
Hiroaki Kadowaki, Mika Wakita, Björn Fåk +4
Spin correlations of the frustrated pyrochlore oxide TbTiO have been investigated by using inelastic neutron scattering on single crystalline samples ($x=-0…
Low-carrier density and fragile magnetism in a Kondo lattice system
Binod K. Rai, Iain W. H. Oswald, Wenjing Ban +17
Kondo-based semimetals and semiconductors are of extensive current interest as a viable platform for strongly correlated states. It is thus important to understand the routes towar…
Anomalous metamagnetism in the low carrier density Kondo lattice YbRh3Si7
Binod K. Rai, S. Chikara, Xiaxin Ding +25
We report complex metamagnetic transitions in single crystals of the new low carrier Kondo antiferromagnet YbRh3Si7. Electrical transport, magnetization, and specific heat measurem…
Spin wave damping arising from phase coexistence below in colossal magnetoresistive LaCaMnO
Joel S. Helton, Susumu K. Jones, Daniel Parshall +3
While the spin dynamics of LaCaMnO in the ferromagnetic phase are known to be unconventional, previous measurements have yielded contradictory results regarding…
Phase Diagram of -RuCl in an in-plane Magnetic Field
J. A. Sears, Y. Zhao, Z. Xu +2
The low-temperature magnetic phases in the layered honeycomb lattice material -RuCl have been studied as a function of in-plane magnetic field. In zero field this material o…
Floating zone growth of α-NaMnO single crystals
Rebecca Dally, Raphaële J. Clément, Robin Chisnell +7
Single crystal growth of α-NaMnO (x = 0.90) is reported via the floating zone technique. The conditions required for stable growth and intergrowth-free crystals are describ…
Distinct magnetic spectra in the hidden order and antiferromagnetic phases in URu2-xFexSi2
Nicholas P. Butch, Sheng Ran, Inho Jeon +8
We use neutron scattering to compare the magnetic excitations in the hidden order (HO) and antiferromagnetic (AFM) phases in URu2-xFexSi2 as a function of Fe concentration. The mag…