Search Results - "Yugui Yao"
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Twofold symmetry of c-axis resistivity in topological kagome superconductor CsV3Sb5 with in-plane rotating magnetic field
Published in Nature communications (18-11-2021)“…In transition metal compounds, due to the interplay of charge, spin, lattice and orbital degrees of freedom, many intertwined orders exist with close energies…”
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Quantum spin Hall effect in silicene and two-dimensional germanium
Published in Physical review letters (09-08-2011)“…We investigate the spin-orbit opened energy gap and the band topology in recently synthesized silicene as well as two-dimensional low-buckled honeycomb…”
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Three-band tight-binding model for monolayers of group-VIB transition metal dichalcogenides
Published in Physical review. B, Condensed matter and materials physics (26-08-2013)“…We present a three-band tight-binding (TB) model for describing the low-energy physics in monolayers of group-VIB transition metal dichalcogenides MX sub(2) (M…”
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Evidence of Silicene in Honeycomb Structures of Silicon on Ag(111)
Published in Nano letters (11-07-2012)“…In the search for evidence of silicene, a two-dimensional honeycomb lattice of silicon, it is important to obtain a complete picture for the evolution of Si…”
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Rise of silicene: A competitive 2D material
Published in Progress in materials science (01-10-2016)“…Silicene, a silicon analogue of graphene, has attracted increasing attention during the past few years. As early as in 1994, the possibility of stage…”
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Topological magneto-optical effects and their quantization in noncoplanar antiferromagnets
Published in Nature communications (08-01-2020)“…Reflecting the fundamental interactions of polarized light with magnetic matter, magneto-optical effects are well known since more than a century. The…”
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Sign-reversible valley-dependent Berry phase effects in 2D valley-half-semiconductors
Published in npj computational materials (01-10-2021)“…Manipulating valley-dependent Berry phase effects provides remarkable opportunities for both fundamental research and practical applications. Here, by…”
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Evidence for Dirac fermions in a honeycomb lattice based on silicon
Published in Physical review letters (03-08-2012)“…Silicene, a sheet of silicon atoms in a honeycomb lattice, was proposed to be a new Dirac-type electron system similar to graphene. We performed scanning…”
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Valley-polarized quantum anomalous Hall effect in silicene
Published in Physical review letters (14-03-2014)“…We find theoretically a new quantum state of matter-the valley-polarized quantum anomalous Hall state in silicene. In the presence of Rashba spin-orbit…”
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Large-Gap Quantum Spin Hall Insulator in Single Layer Bismuth Monobromide Bi4Br4
Published in Nano letters (13-08-2014)“…Quantum spin Hall (QSH) insulators have gapless topological edge states inside the bulk band gap, which can serve as dissipationless spin current channels. The…”
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Effects of strain on electronic and optic properties of holey two-dimensional C2N crystals
Published in Applied physics letters (07-12-2015)“…A two-dimensional (2D) material, the holey 2D C2N (h2D-C2N) crystal, has recently been synthesized. Here, we investigate the strain effects on the properties…”
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Direct identification of Mott Hubbard band pattern beyond charge density wave superlattice in monolayer 1T-NbSe2
Published in Nature communications (30-03-2021)“…Understanding Mott insulators and charge density waves (CDW) is critical for both fundamental physics and future device applications. However, the relationship…”
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Berry-phase effect in anomalous thermoelectric transport
Published in Physical review letters (14-07-2006)“…We develop a theory of the Berry-phase effect in anomalous transport in ferromagnets driven by statistical forces such as the gradient of temperature or…”
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The strain effect on superconductivity in phosphorene: a first-principles prediction
Published in New journal of physics (12-03-2015)“…The effects of biaxial and uniaxial strains on electron-phonon coupling and superconductivity in monolayer phosphorene are systematically investigated by…”
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Tailoring Dzyaloshinskii–Moriya interaction in a transition metal dichalcogenide by dual-intercalation
Published in Nature communications (15-06-2021)“…Dzyaloshinskii–Moriya interaction (DMI) is vital to form various chiral spin textures, novel behaviors of magnons and permits their potential applications in…”
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Epitaxial growth of single-domain graphene on hexagonal boron nitride
Published in Nature materials (01-09-2013)“…The epitaxial growth of large-area single-domain graphene on hexagonal boron nitride by plasma-assisted deposition is now reported. New sets of Dirac points…”
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Topological invariant and anomalous edge modes of strongly nonlinear systems
Published in Nature communications (13-06-2022)“…Despite the extensive studies of topological states, their characterization in strongly nonlinear classical systems has been lacking. In this work, we identify…”
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Discovery of Weyl Nodal Lines in a Single-Layer Ferromagnet
Published in Physical review letters (12-09-2019)“…Two-dimensional (2D) materials have attracted great attention and spurred rapid development in both fundamental research and device applications. The search…”
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Two-dimensional topological insulator state and topological phase transition in bilayer graphene
Published in Physical review letters (14-12-2011)“…We show that gated bilayer graphene hosts a strong topological insulator (TI) phase in the presence of Rashba spin-orbit (SO) coupling. We find that gated…”
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