71 citations · 443 across the 27 of their papers we have counts for
27 papers
Efficiently gate-tunable ferromagnetism in ferromagnetic semiconductor-Dirac semimetal p-n heterojunctions
Emma Steinebronn, Saurav Islam, Abhinava Chatterjee +15
We use molecular beam epitaxy to develop a gate tunable p-n heterojunction that interfaces a canonical Dirac semimetal, CdAs, and a ferromagnetic semiconductor, InM…
Observation of a structurally driven, reversible topological phase transition in a distorted square net material
Xian P. Yang, Chia-Hsiu Hsu, Gokul Acharya +14
Topological materials hold immense promise for exhibiting exotic quantum phenomena, yet achieving controllable topological phase transitions remains challenging. Here, we demonstra…
Bonding Character as a Descriptor for Huang-Rhys Factors in Optically Active Defects
Fatimah Habis, Yuanxi Wang
The electron phonon coupling of a defect characterized by its Huang Rhys (HR) factor is a crucial metric determining its excited-state dynamics, relevant to defect applications as…
Orbital Hybridization-Induced Ising-Type Superconductivity in a Confined Gallium Layer
Hemian Yi, Yunzhe Liu, Chengye Dong +24
In low-dimensional superconductors, the interplay between quantum confinement and interfacial hybridization effects can reshape Cooper pair wavefunctions and induce novel forms of…
Discovery of a Highly Anisotropic Type-II Ferromagnetic Weyl State Exhibiting a 3D Quantum Hall Effect
Yingdong Guan, Abhinava Chatterjee, Trace Bivens +13
Topological semimetals, particularly Weyl semimetals (WSMs), are crucial platforms for exploring emergent quantum phenomena due to their unique electronic structures and potential…
Giant and Tunable Bosonic Quantum Interference Induced by Two-Dimensional Metals
Kunyan Zhang, Rinu Abraham Maniyara, Yuanxi Wang +11
Harnessing quantum interference among bosons provides significant opportunities as bosons often carry longer coherence time than fermions. As an example of quantum interference, Fa…
Insulator-to-Metal Transition and Isotropic Gigantic Magnetoresistance in Layered Magnetic Semiconductors
Gokul Acharya, Bimal Neupane, Chia-Hsiu Hsu +16
Magnetotransport, the response of electrical conduction to external magnetic field, acts as an important tool to reveal fundamental concepts behind exotic phenomena and plays a key…
Quantum Confined Luminescence in Two dimensions
Saiphaneendra Bachu, Fatimah Habis, Benjamin Huet +13
Achieving localized light emission from monolayer two-dimensional (2D) transition metal dichalcogenides (TMDs) embedded in the matrix of another TMD has been theoretically proposed…
Rashba spin splitting-induced topological Hall effect in a Dirac semimetal-ferromagnetic semiconductor heterostructure
Saurav Islam, Emma Steinebronn, Kaijie Yang +8
We use a concerted theory-experiment effort to investigate the formation of chiral real space spin texture when the archetypal Dirac semimetal CdAs is interfaced with In$_{…
Influence of Rhenium Concentration on Charge Doping and Defect Formation in MoS2
Kyle T. Munson, Riccardo Torsi, Fatimah Habis +8
Substitutionally doped transition metal dichalcogenides (TMDs) are the next step towards realizing TMD-based field effect transistors, sensors, and quantum photonic devices. Here,…
Vibrational Entropic Stabilization of Layered Chalcogenides: From Ordered Vacancy Compounds to 2D Layers
Roberto Prado-Rivera, Daniela Radu, Vincent H. Crespi +1
Despite the rapid pace of computationally and experimentally discovering new two-dimensional layered materials, a general criteria for a given compound to prefer a layered structur…
Large-Area Intercalated 2D-Pb/Graphene Heterostructure as a Platform for Generating Spin-Orbit Torque
Alexander Vera, Boyang Zheng, Wilson Yanez +19
A scalable platform to synthesize ultrathin heavy metals may enable high efficiency charge-to-spin conversion for next-generation spintronics. Here we report the synthesis of air-s…
SnPS: A Promising Infrared Nonlinear Optical Crystal with Strong Non-Resonant Second Harmonic Generation and Phase-matchability
Jingyang He, Seng Huat Lee, Francesco Naccarato +10
High-power infrared laser systems with broadband tunability are of great importance due to their wide range of applications in spectroscopy and free-space communications. These sys…
Confined monolayer Ag as a large gap 2D semiconductor and its momentum resolved excited states
Woojoo Lee, Yuanxi Wang, Wei Qin +11
2D materials have intriguing quantum phenomena that are distinctively different from their bulk counterparts. Recently, epitaxially synthesized wafer-scale 2D metals, composed of e…
Crossover of Ising- to Rashba-Type Superconductivity in Epitaxial Bi2Se3/Monolayer NbSe2 Heterostructures
Hemian Yi, Lun-Hui Hu, Yuanxi Wang +15
A topological insulator (TI) interfaced with an s-wave superconductor has been predicted to host an unusual form of superconductivity known as topological superconductivity (TSC).…
Momentum-Space Spin Antivortex and Spin Transport in Monolayer Pb
Kaijie Yang, Yuanxi Wang, Chao-Xing Liu
Non-trivial momentum-space spin texture of electrons can be induced by spin-orbit coupling and underpins various spin transport phenomena, such as current-induced spin polarization…
Chemical requirements for stabilizing type-II Weyl points in MnBi2-xSbxTe4
Yuanxi Wang
We show that type-II Weyl point formation in MnBi2-xSbxTe4 is more likely than in MnBi2Te4 when x reaches 0.5, as the alloy case does not suffer from the same degree of lattice par…
Atlas of 2D metals epitaxial to SiC: filling-controlled gapping conditions and alloying rules
Yuanxi Wang, Vincent H. Crespi
The realization of air-stable 2D metals epitaxial to SiC and capped by graphene creates a potentially immense chemical space of 2D metals and alloys that could expand the variety o…
Illuminating Invisible Grain Boundaries in Coalesced Single-Orientation WS2 Monolayer Films
Danielle Reifsnyder Hickey, Nadire Nayir, Mikhail Chubarov +9
Engineering atomic-scale defects is crucial for realizing wafer-scale, single-crystalline transition metal dichalcogenide monolayers for electronic devices. However, connecting ato…
Monolayer Vanadium-doped Tungsten Disulfide: A Room-Temperature Dilute Magnetic Semiconductor
Fu Zhang, Boyang Zheng, Amritanand Sebastian +18
Dilute magnetic semiconductors, achieved through substitutional doping of spin-polarized transition metals into semiconducting systems, enable experimental modulation of spin dynam…
Unexpected Near-Infrared to Visible Non-linear Optical Properties from Two-Dimensional Polar Metals
Megan A. Steves, Yuanxi Wang, Natalie Briggs +16
Near-infrared-to-visible second harmonic generation from air-stable two-dimensional polar gallium and indium metals is described. The photonic properties of 2D metals - including t…
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…
An Air-Stable and Atomically Thin Graphene/Gallium Superconducting Heterostructure
Brian Bersch, Natalie Briggs, Yuanxi Wang +13
Two-dimensional layered and atomically thin elemental superconductors may be key ingredients in next-generation quantum technologies, if they can be stabilized and integrated into…
Confinement Heteroepitaxy: Realizing Atomically Thin, Half-van der Waals Materials
Natalie Briggs, Brian Bersch, Yuanxi Wang +16
Three-dimensional epitaxial heterostructures are based on covalently-bonded interfaces, whereas those from 2-dimensional (2D) materials exhibit van der Waals interactions. Under th…