178 citations · 1.1k across the 21 of their papers we have counts for
22 papers
Anomalous Superconductivity in Twisted MoTe2 Nanojunctions
Yanyu Jia, Tiancheng Song, Zhaoyi Joy Zheng +14
Introducing superconductivity in topological materials can lead to innovative electronic phases and device functionalities. Here, we present a new strategy for quantum engineering…
Gd-Based Solvated Shells for Defect Passivation of CsPbBr Nanoplatelets Enabling Efficient Color-Saturated Blue Electroluminescence
Haoran Wang, Jingyu Qian, Jiayun Sun +7
Reduced-dimensional CsPbBr nanoplatelets (NPLs) are promising candidates for color-saturated blue emitters, yet their electroluminescence performance is hampered by non-radiati…
Real-space and reciprocal-space topology in the Eu(GaAl) square net system
Jaime M. Moya, Jianwei Huang, Shiming Lei +5
Magnetotransport measurements on the centrosymetric square-net Eu(GaAl) compounds reveal evidence for both reciprocal- and real-space topology. For compositions $0.…
Ultrafast Dynamics of the Topological Semimetal GdSbTe In the Presence and Absence of a Charge Density Wave
Robert J. Kirby, Angela Montanaro, Francesca Giusti +8
Time-resolved dynamics in charge-density-wave materials have revealed interesting out-of-equilibrium electronic responses. However these are typically only performed in a single ma…
Kramers nodal lines and Weyl fermions in SmAlSi
Yichen Zhang, Yuxiang Gao, Xue-Jian Gao +16
Kramers nodal lines (KNLs) have recently been proposed theoretically as a special type of Weyl line degeneracy connecting time-reversal invariant momenta. KNLs are robust to spin o…
Charge density wave-generated Fermi surfaces in NdTe
Alla Chikina, Henriette Lund, Marco Bianchi +7
The electronic structure of NdTe in the charge density wave phase (CDW) is investigated by angle-resolved photoemission spectroscopy. The combination of high-quality crystals a…
Weyl nodal ring states and Landau quantization with very large magnetoresistance in square-net magnet EuGa
Shiming Lei, Kevin Allen, Jianwei Huang +17
Magnetic topological semimetals (TSMs) allow for an effective control of the topological electronic states by tuning the spin configuration, and therefore are promising materials f…
Eavesdropping on competing condensates by the edge supercurrent in a Weyl superconductor
Stephan Kim, Shiming Lei, Leslie M. Schoop +2
In a topological insulator the metallic surface states are easily distinguished from the insulating bulk states (FuKane07). By contrast, in a topological superconductor (FuKane08,Q…
Phase tuning of multiple Andreev reflections of Dirac fermions and the Josephson supercurrent in Al-MoTe2-Al junctions
Zheyi Zhu, Stephan Kim, Shiming Lei +3
When a normal metal is sandwiched between two superconductors, the energy gaps in the latter act as walls that confine electrons in in a square-well potential. If the volta…
Axial Higgs Mode Detected by Quantum Pathway Interference in RTe3
Yiping Wang, Ioannis Petrides, Grant McNamara +11
The observation of the Higgs boson solidified the standard model of particle physics. However, explanations of anomalies (e.g. dark matter) rely on further symmetry breaking callin…
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…
One-Dimensional Luttinger Liquids in a Two-Dimensional Moiré Lattice
Pengjie Wang, Guo Yu, Yves H. Kwan +13
The Luttinger liquid (LL) model of one-dimensional (1D) electronic systems provides a powerful tool for understanding strongly correlated physics including phenomena such as spin-c…
Evolving Devil's staircase magnetization from tunable charge density waves in nonsymmorphic Dirac semimetals
Ratnadwip Singha, Tyger H. Salters, Samuel M. L. Teicher +4
While several magnetic topological semimetals have been discovered in recent years, their band structures are far from ideal, often obscured by trivial bands at the Fermi energy. S…
Complex magnetic phases enriched by charge density waves in topological semimetals GdSb_xTe_{2-x-δ}
Shiming Lei, Audrey Saltzman, Leslie M. Schoop
The interplay of crystal symmetry, magnetism, band topology and electronic correlation can be the origin of quantum phase transitions in condensed matter. Particularly, square-latt…
Evidence for a Monolayer Excitonic Insulator
Yanyu Jia, Pengjie Wang, Cheng-Li Chiu +19
The interplay between topology and correlations can generate a variety of quantum phases, many of which remain to be explored. Recent advances have identified monolayer WTe2 as a p…
Landau Quantization and Highly Mobile Fermions in an Insulator
Pengjie Wang, Guo Yu, Yanyu Jia +9
In strongly correlated materials, quasiparticle excitations can carry fractional quantum numbers. An intriguing possibility is the formation of fractionalized, charge-neutral fermi…
Band Engineering of Dirac Semimetals using Charge Density Waves
Shiming Lei, Samuel M. L. Teicher, Andreas Topp +13
New developments in the field of topological matter are often driven by materials discovery, including novel topological insulators, Dirac semimetals and Weyl semimetals. In the la…
A Cleanroom in a Glovebox
Mason J. Gray, Narendra Kumar, Ryan O'Connor +18
The exploration of new materials, novel quantum phases, and devices requires ways to prepare cleaner samples with smaller feature sizes. Initially, this meant the use of a cleanroo…
Transient Drude Response Dominates Near-Infrared Pump-Probe Reflectivity in Nodal-Line Semimetals ZrSiS and ZrSiSe
Robert J. Kirby, Austin Ferrenti, Caroline Weinberg +6
The ultrafast optical response of two nodal-line semimetals, ZrSiS and ZrSiSe, was studied in the near-infrared using transient reflectivity. The two materials exhibit similar resp…
High mobility in a van der Waals layered antiferromagnetic metal
Shiming Lei, Jingjing Lin, Yanyu Jia +13
Magnetic van der Waals (vdW) materials have been heavily pursued for fundamental physics as well as for device design. Despite the rapid advances, so far magnetic vdW materials are…
Ultrafast quasiparticle dynamics in correlated semimetal CaRuO
Yakun Yuan, Peter Kissin, Danilo Puggioni +7
The correlated polar semimetal CaRuO exhibits a rich phase diagram including two magnetic transitions (=56 K and =48 K) with the appearance of an insulating-l…
Topological Semimetals in Square-Net Materials
Sebastian Klemenz, Shiming Lei, Leslie M. Schoop
Many materials crystallize in structure types that feature a square-net of atoms. While these compounds can exhibit many different properties, some members of this family are topol…