21 Result(s)
within
Hsin Lin
Materials Science
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Article
Open AccessSurface-dominated conductance scaling in Weyl semimetal NbAs
Protected surface states arising from non-trivial bandstructure topology in semimetals can potentially enable advanced device functionalities in compute, memory, interconnect, sensing, and communication. This ...
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Open AccessReal space characterization of nonlinear hall effect in confined directions
The nonlinear Hall effect (NLHE) is a phenomenon which could produce a transverse Hall voltage in a time-reversal-invariant material. Here, we report the real space characterizations of NLHE evaluated through ...
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Axion optical induction of antiferromagnetic order
Using circularly polarized light to control quantum matter is a highly intriguing topic in physics, chemistry and biology. Previous studies have demonstrated helicity-dependent optical control of chirality and...
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Evidence of a room-temperature quantum spin Hall edge state in a higher-order topological insulator
Room-temperature realization of macroscopic quantum phases is one of the major pursuits in fundamental physics1,2. The quantum spin Hall phase3–6 is a topological quantum phase that features a two-dimensional ins...
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Reply to: Detectivities of WS2/HfS2 heterojunctions
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Open AccessGlide symmetry protected higher-order topological insulators from semimetals with butterfly-like nodal lines
Most topological insulators (TIs) discovered today in spinful systems can be transformed from topological semimetals (TSMs) with vanishing bulk gap via introducing the spin-orbit coupling (SOC), which manifest...
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Author Correction: High oscillator strength interlayer excitons in two-dimensional heterostructures for mid-infrared photodetection
A Correction to this paper has been published: https://doi.org/10.1038/s41565-021-00865-9.
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Two-dimensional MX Dirac materials and quantum spin Hall insulators with tunable electronic and topological properties
We propose a novel class of two-dimensional (2D) Dirac materials in the MX family (M = Be, Mg, Zn and Cd, X = Cl, Br and I), which exhibit graphene-like band structures with linearly-dispersing Dirac-cone stat...
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High oscillator strength interlayer excitons in two-dimensional heterostructures for mid-infrared photodetection
The development of infrared photodetectors is mainly limited by the choice of available materials and the intricate crystal growth process. Moreover, thermally activated carriers in traditional III–V and II–VI...
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Coexistence of large conventional and planar spin Hall effect with long spin diffusion length in a low-symmetry semimetal at room temperature
The spin Hall effect (SHE) is usually observed as a bulk effect in high-symmetry crystals with substantial spin–orbit coupling (SOC), where the symmetric spin–orbit field imposes a widely encountered trade-off...
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Open AccessPredicting two-dimensional topological phases in Janus materials by substitutional do** in transition metal dichalcogenide monolayers
Ultrathin Janus two-dimensional (2D) materials are attracting intense interest currently. Substitutional do** of 2D transition metal dichalcogenides (TMDs) is of importance for tuning and possible enhancemen...
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Open AccessThickness dependent electronic properties of Pt dichalcogenides
Platinum-based transition metal dichalcogenides have been gaining renewed interest because of the development of a new method to synthesize thin film structures. Here, using first-principles calculation, we ex...
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Topological quantum properties of chiral crystals
Chiral crystals are materials with a lattice structure that has a well-defined handedness due to the lack of inversion, mirror or other roto-inversion symmetries. Although it has been shown that the presence o...
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Open AccessPrediction of Quantum Anomalous Hall Effect in MBi and MSb (M:Ti, Zr, and Hf) Honeycombs
The abounding possibilities of discovering novel materials has driven enhanced research effort in the field of materials physics. Only recently, the quantum anomalous hall effect (QAHE) was realized in magneti...
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Open AccessChemically induced large-gap quantum anomalous Hall insulator states in III-Bi honeycombs
The search for novel materials with new functionalities and applications potential is continuing to intensify. Quantum anomalous Hall (QAH) effect was recently realized in magnetic topological insulators (TIs)...
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The integrity of two sides
The observations of unusual edge properties in scanning tunnelling spectroscopy and the predicted band structure in photoemission spectra of a monolayer FeSe superconductor reveal its non-trivial topological n...
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Open AccessMultiple unpinned Dirac points in group-Va single-layers with phosphorene structure
Emergent Dirac fermion states underlie many intriguing properties of graphene, and the search for them constitutes one strong motivation to explore two-dimensional (2D) allotropes of other elements. Phosphoren...
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Dirac mass generation from crystal symmetry breaking on the surfaces of topological crystalline insulators
The tunability of topological surface states and controllable opening of the Dirac gap are of fundamental and practical interest in the field of topological materials. In the newly discovered topological cryst...
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Direct observation of the transition from indirect to direct bandgap in atomically thin epitaxial MoSe2
Quantum systems in confined geometries are host to novel physical phenomena. Examples include quantum Hall systems in semiconductors1 and Dirac electrons in graphene2. Interest in such systems has also been inten...
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Imaging the evolution of metallic states in a correlated iridate
Iridate materials are at present the focus of interest because the combination of strong spin–orbit effects and many-body electronic correlations makes their physics non-trivial. Now, the density of states of Sr3
