2.2k citations · 11.1k across the 139 of their papers we have counts for
36 papers · 1 filter
Electronic transport and thermoelectricity in selenospinel CuFeSnSe
Yu Liu, Zhixiang Hu, Xiao Tong +2
We report a study of selenospinel CuFeSnSe ( = 0, 1, 2) single crystals, which crystalize in a cubic structure with the space gro…
MBE growth of axion insulator candidate EuIn2As2
Muhsin Abdul Karim, Jiashu Wang, David Graf +6
The synthesis of thin films of magnetic topological materials is necessary to achieve novel quantized Hall effects and electrodynamic responses. EuIn2As2 is a recently predicted to…
Fermi surface of magnetic kagome compound GdV6Sn6 investigated using de Haas van Alphen Oscillations
C. Dhital, G. Pokharel, B. Wilson +6
The shape of the Fermi surface, and the cyclotron effective mass of the kagome magnet GdV6Sn6 charge carriers are investigated using de Haas van Alphen (dHvA) oscillations measurem…
Giant spin-valve effect and chiral anomaly in antiferromagnetic topological insulators Mn(Bi1-xSbx)2Te4
Seng Huat Lee, David Graf, Robert Robinson +3
We report c-axis transport studies on magnetic topological insulators Mn(Bi1-xSbx)2Te4. We performed systematic c-axis magnetoresistivity measurements under high magnetic fields (u…
Multi-k magnetic structure and large anomalous Hall effect in candidate magnetic Weyl semimetal NdAlGe
C. Dhital, R. L. Dally, R. Ruvalcaba +15
The magnetic structure, magnetoresistance, and Hall effect of non-centrosymmetric magnetic semimetal NdAlGe are investigated revealing an unusual magnetic state and anomalous trans…
Topological spiral magnetism in the Weyl semimetal SmAlSi
Xiaohan Yao Jonathan Gaudet, Rahul Verma, David E. Graf +13
Weyl electrons are intensely studied due to novel charge transport phenomena such as chiral anomaly, Fermi arcs, and photogalvanic effect. Recent theoretical works suggest that Wey…
Polaronic Conductivity in CrGeTe Single Crystals
Yu Liu, Myung-Geun Han, Yongbin Lee +11
Intrinsic, two-dimensional (2D) ferromagnetic semiconductors are an important class of materials for spin-charge conversion applications. CrGeTe retains long-range magn…
Quantum Oscillations in the Field-induced Ferromagnetic State of MnBiSbTe
Qianni Jiang, Chong Wang, Paul Malinowski +10
The intrinsic antiferromagnetic topological insulator MnBiTe undergoes a metamagnetic transition in a c-axis magnetic field. It has been predicted that ferromagnetic Mn…
Crystalline symmetry-protected non-trivial topology in prototype compound BaAl
Kefeng Wang, Ryo Mori, Zhijun Wang +9
The BaAl prototype crystal structure is the most populous of all structure types, and is the building block for a diverse set of sub-structures including the famous ThCrSi$…
A Novel Magnetic Material by Design: Observation of Yb3+ with Spin-1/2 and Possible Superconducting Trace in YbxPt5P
Xin Gui, Tay-Rong Chang, Kaya Wei +5
The localized f-electrons enrich the magnetic properties in rare-earth-based intermetallics. Among those, compounds with heavier 4d and 5d transition metals are even more fascinati…
A new noncollinear ferromagnetic Weyl semimetal with anisotropic anomalous Hall effect
Hung-Yu Yang, Bahadur Singh, Jonathan Gaudet +18
A developing frontier in condensed matter physics is the emergence of novel electromagnetic responses, such as topological and anomalous Hall effect (AHE), in ferromagnetic Weyl se…
Evidence for a magnetic-field induced ideal type-II Weyl state in antiferromagnetic topological insulator Mn(Bi1-xSbx)2Te4
Seng Huat Lee, David Graf, Yanglin Zhu +18
The discovery of Weyl semimetals (WSMs) has fueled tremendous interest in condensed matter physics. WSMs require breaking of either inversion symmetry (IS) or time-reversal symmetr…
Quantum oscillation and unusual protection mechanism of the surface state in nonsymmorphic semimetals
Xue Liu, Chunlei Yue, Sergey V. Erohin +9
In a topological semimetal with Dirac or Weyl points, the bulk edge correspondence principle predicts a gapless edge mode if the essential symmetry is still preserved at the surfac…
Transition from Intrinsic to Extrinsic Anomalous Hall Effect in the Ferromagnetic Weyl Semimetal PrAlGeSi
Hung-Yu Yang, Bahadur Singh, Baozhu Lu +10
Recent reports of a large anomalous Hall effect (AHE) in ferromagnetic Weyl semimetals (FM WSM) have led to a resurgence of interest in this enigmatic phenomenon. However, due to a…
Electrical and magnetic properties of thin films of the spin-filter material CrVTiAl
Gregory M. Stephen, Christopher Lane, Gianina Buda +5
The spin-filter material CrVTiAl is a promising candidate for producing highly spin-polarized currents at room temperature in a nonmagnetic architecture. Thin films of compensated-…
Observation of a mesoscopic magnetic modulation in chiral Mn1/3NbS2
Sunil K. Karna, F. N. Womack, R. Chapai +10
We have investigated the structural, magnetic, thermodynamic, and charge transport properties of Mn1/3NbS2 single crystals through x-ray and neutron diffraction, magnetization, spe…
Structural and electronic properties of the spin-filter material CrVTiAl with disorder
Gregory M. Stephen, Gianina Buda, Michelle E. Jamer +7
The effects of chemical disorder on the transport properties of the spin-filter material CrVTiAl are investigated experimentally and theoretically. Synchrotron X-ray diffraction ex…
Spin scattering and noncollinear spin structure-induced intrinsic anomalous Hall effect in antiferromagnetic topological insulator
Seng Huat Lee, Yanglin Zhu, Yu Wang +8
has recently been established as an intrinsic antiferromagnetic (AFM) topological insulator and predicted to be an ideal platform to realize quantum anomalous…
Non-trivial topology in a layered Dirac nodal-line semimetal candidate SrZnSb with distorted Sb square nets
Jinyu Liu, Pengfei Liu, Kyle Gordon +9
Dirac states hosted by Sb/Bi square nets are known to exist in the layered antiferromagnetic AMnX (A = Ca/Sr/Ba/Eu/Yb, X=Sb/Bi) material family the space group to be P4/nmm or…
Interplay of Magnetism and Transport in HoBi
H. -Y. Yang, J. Gaudet, A. A. Aczel +4
We report the observation of an extreme magnetoresistance (XMR) in HoBi with a large magnetic moment from Ho f-electrons. Neutron scattering is used to determine the magnetic wave…
Bulk Fermi surfaces of the Dirac Type-II Semimetallic Candidates VAl3, NbAl3 and TaAl3
K. -W. Chen, X. Lian, Y. Lai +7
We report a de Haas-van Alphen (dHvA) effect study on the Dirac type-II semimetallic candidates \emph{M}Al (where, \emph{M} = V, Nb and Ta). The angular-dependence of their Fer…
Quantum oscillation evidence of topological semimetal phase in ZrSnTe
Jin Hu, Yanglin Zhu, David Graf +2
The layered WHM - type (W=Zr/Hf/La, H=Si/Ge/Sn/Sb, M=S/Se/Te) materials represent a large family of topological semimetals, which provides an excellent platform to study the evolut…
Magnetotransport properties of MoP
Aifeng Wang, D. Graf, Yu Liu +1
We report magnetotransport and de Haas-van Alphen (dHvA) effect studies on MoP single crystals, predicted to be type-2 Weyl semimetal with four pairs of robust Weyl points loca…
Metamorphic InAs1-xSbx/InAs1-ySby superlattices with ultra-low bandgap as a Dirac material
Sergey Suchalkin, Gregory Belenky, Maksim Ermolaev +9
It was experimentally demonstrated that short-period metamorphic InAs1-xSbx/InAs1-ySby superlattices with ultra low bandgap have properties of a Dirac material. Cyclotron resonance…