251 citations · 536 across the 19 of their papers we have counts for
20 papers
Anomalous Pressure-Enhanced Polarization in Sliding Ferroelectrics
Lujin Min, Sahas Kamat, Ameer Mustafa +8
Hydrostatic pressure commonly suppresses polarization in conventional displacive ferroelectrics by weakening the off-center ionic distortion. Sliding ferroelectrics may provide a c…
Signatures of nodal superconductivity in stoichiometric FeTe
Cequn Li, Zi-Jie Yan, Yang Ge +13
Superconductivity in stoichiometric FeTe opens access to the FeTe endpoint of the Fe(Se,Te) phase diagram, yet the nature of its superconducting pairing state remains unresolved. I…
Competing Chern states revealed by quasiparticle charging in moiré rhombohedral graphene
Hongyuan Li, Zuhan Geng, Junseok Seo +13
Moiré materials realize a versatile platform for exploring the physics of fractional Chern insulators (FCIs). The recently observed evolution from FCIs to an extended quantum anoma…
Evidence of Spin-Valley Coupling in Dirac Material BaMnBi2 Probed by Quantum Hall Effect and Nonlinear Hall Effect
Subin Mali, Yingdong Guan, Lujin Min +2
Valleytronics is a rapidly advancing field that explores the use of the valley degree of freedom in electronic systems to encode and process information. It relies on electronic st…
Nonvolatile Switching of Magnetism via Gate-Induced Sliding in Tetralayer Graphene
Daniel Brandon, Tixuan Tan, Yiwen Ai +7
Interlayer sliding degrees of freedom often determine the physical properties of two-dimensional (2D) materials. In graphene, for instance, the metastable rhombohedral stacking arr…
Structure and lattice excitations of the copper substituted lead oxyapatite PbCu(PO)O
Qiang Zhang, Yingdong Guan, Yongqiang Cheng +4
The copper substituted lead oxyapatite, PbCu(PO)O (x=0.94(6)) was studied using neutron and x-ray diffraction and neutron spectroscopy…
Hidden non-collinear spin-order induced topological surface states
Zengle Huang, Hemian Yi, Daniel Kaplan +7
Rare-earth monopnictides are a family of materials simultaneously displaying complex magnetism, strong electronic correlation, and topological band structure. The recently discover…
Evidence of Weyl Fermion Enhanced Thermal Conductivity Under Magnetic Fields in Antiferromagnetic Topological Insulator Mn(Bi(1-x)Sb(x))2Te4
Robert A. Robinson, Seng Huat Lee, Lujin Min +3
We report thermal conductivity and Seebeck effect measurements on Mn(Bi1-xSbx)2Te4 (MBST) with x = 0.26 under applied magnetic fields below 50 K. Our data shows clear indications o…
Large Violation of the Wiedemann Franz Law in Heusler, Ferromagnetic, Weyl Semimetal CoMnAl
Robert A. Robinson, Lujin Min, Seng Huat Lee +4
The Wiedemann-Franz (WF) law relates the electronic component of the thermal conductivity to the electrical conductivity in metals through the Lorenz number. The WF law has proven…
Colossal nonreciprocal Hall effect and broadband frequency mixing due to a room temperature nonlinear Hall effect
Lujin Min, Yang Zhang, Zhijian Xie +8
Nonreciprocal (NR) charge transport in quantum materials has attracted enormous interest since it offers an avenue to investigate quantum symmetry related physics and holds many pr…
Surprisingly large anomalous Hall effect and giant negative magnetoresistance in half-topological semimetals
Yanglin Zhu, Cheng-Yi Huang, Yu Wang +9
Large intrinsic anomalous Hall effect (AHE) due to the Berry curvature in magnetic topological semimetals is attracting enormous interest due to its fundamental importance and tech…
Strong Room-Temperature Bulk Nonlinear Hall Effect in a Spin-Valley Locked Dirac Material
Lujin Min, Hengxin Tan, Zhijian Xie +8
Nonlinear Hall effect (NLHE) is a new type of Hall effect with wide application prospects. Practical device applications require strong NLHE at room temperature (RT). However, prev…
Large Itinerant Electron Exchange Coupling in the Magnetic Topological Insulator MnBi2Te4
Hari Padmanabhan, Vladimir A. Stoica, Peter Kim +20
Magnetism in topological materials creates phases exhibiting quantized transport phenomena with applications in spintronics and quantum information. The emergence of such phases re…
Bipolaronic nature of the pseudogap in (TaSe4)2I revealed via weak photoexcitation
Yingchao Zhang, Tika Kafle, Wenjing You +12
The origin of the pseudogap in many strongly correlated materials has been a longstanding puzzle. Here, we uncover which many-body interactions underlie the pseudogap in quasi-one-…
Absence of in-gap modes in charge density wave edge dislocations of the Weyl semimetal (TaSe)I
Zengle Huang, Hemian Yi, Lujin Min +3
Axion electrodynamics in condensed matter could emerge from the formation of charge density waves (CDWs) in Weyl semimetals. (TaSe)I was proposed to be the first material p…
Surface Charge Induced Dirac Band Splitting in a Charge Density Wave Material (TaSe4)2I
Hemian Yi, Zengle Huang, Wujun Shi +14
(TaSe4)2I, a quasi-one-dimensional (1D) crystal, shows a characteristic temperature-driven metal-insulator phase transition. Above the charge density wave (CDW) temperature Tc, (Ta…
Comprehensive Anisotropic Linear Optical Properties of Weyl Semimetals, TaAs and NbAs
Rui Zu, Mingqiang Gu, Lujin Min +5
TaAs and NbAs are two of the earliest identified Weyl semimetals that possess many intriguing optical properties, such as chirality-dependent optical excitations and giant second h…
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…
Giant room temperature anomalous Hall effect and magnetically tuned topology in the ferromagnetic Weyl semimetal Co2MnAl
Peigang Li, Jahyun Koo, Wei Ning +9
Weyl semimetals (WSM) have been extensively studied due to their exotic properties such as topological surface states and anomalous transport phenomena. Their band structure topolo…
Spin-valley locking, bulk quantum Hall effect and chiral surface state in a noncentrosymmetric Dirac semimetal BaMnSb
J. Y. Liu, J. Yu, J. L. Ning +25
Spin-valley locking in the band structure of monolayers of MoS and other group-VI dichalcogenides has attracted enormous interest, since it offers potential for valleytronic an…