Mostrando 1 - 20 Resultados de 103 Para Buscar '" metal"', tiempo de consulta: 0.27s Limitar resultados
  1. 1
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    Nearly room temperature ferromagnetism in a magnetic metal-rich van der Waals metal
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    “…Lattice reconstruction and corresponding strain accumulation plays a key role in defining the electronic structure of two-dimensional moiré superlattices, including those of transition metal dichalcogenides (TMDs). Imaging of TMD moirés has so far provided a qualitative understanding of this relaxation process in terms of interlayer stacking energy, while models of the underlying deformation mechanisms have relied on simulations. …”
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    Rotational and dilational reconstruction in transition metal dichalcogenide moiré bilayers
  3. 3
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    Electroluminescence from multi-particle exciton complexes in transition metal dichalcogenide semiconductors
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    “…Monolayer transition metal dichalcogenides (1L-TMDs) have tremendous potential as atomically thin, direct bandgap semiconductors that can be used as convenient building blocks for quantum photonic devices. …”
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    Boosting quantum yields in two-dimensional semiconductors via proximal metal plates
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    “…Assessing atomic defect states and their ramifications on the electronic properties of two-dimensional van der Waals semiconducting transition metal dichalcogenides (SC-TMDs) is the primary task to expedite multi-disciplinary efforts in the promotion of next-generation electrical and optical device applications utilizing these low-dimensional materials. …”
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    Spectroscopic studies of atomic defects and bandgap renormalization in semiconducting monolayer transition metal dichalcogenides
  6. 6
    “…Charge-density wave (CDW) instabilities have been recently discovered in a new kagome metal family, commonly considered to arise from Fermi-surface instabilities. …”
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    Observation of anomalous amplitude modes in the kagome metal CsV(3)Sb(5)
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    “…Systems simultaneously exhibiting superconductivity and spin–orbit coupling are predicted to provide a route toward topological superconductivity and unconventional electron pairing, driving significant contemporary interest in these materials. Monolayer transition-metal dichalcogenide (TMD) superconductors in particular lack inversion symmetry, yielding an antisymmetric form of spin–orbit coupling that admits both spin-singlet and spin-triplet components of the superconducting wavefunction. …”
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    Tuning Ising superconductivity with layer and spin–orbit coupling in two-dimensional transition-metal dichalcogenides
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    “…By using electrical gating to move the chemical potential through the “Moiré bands”, we demonstrate a cyclical evolution between metallic and semiconducting states. This behavior is captured in a self-consistent model of non-equilibrium transport that considers the competition of electrically driven inter-band tunneling and hot-carrier scattering by strongly non-equilibrium phonons. …”
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    Signatures of hot carriers and hot phonons in the re-entrant metallic and semiconducting states of Moiré-gapped graphene
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    “…We demonstrate the reduction of the inhomogeneous linewidth of the free excitons in atomically thin transition metal dichalcogenides (TMDCs) MoSe(2), WSe(2) and MoS(2) by encapsulation within few nanometre thick hBN. …”
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    Direct exciton emission from atomically thin transition metal dichalcogenide heterostructures near the lifetime limit
  10. 10
    “…Here, we report the rapid and dry fabrication of twisted multilayers using chemical vapor deposition (CVD) grown transition metal chalcogenide (TMDC) monolayers. By improving the adhesion of an acrylic resin stamp to the monolayers, the single crystals of various TMDC monolayers with desired grain size and density on a SiO(2)/Si substrate can be efficiently picked up. …”
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    High-throughput dry transfer and excitonic properties of twisted bilayers based on CVD-grown transition metal dichalcogenides
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    “…Charge density wave (CDW) is a startling quantum phenomenon, distorting a metallic lattice into an insulating state with a periodically modulated charge distribution. …”
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    Patterns and driving forces of dimensionality-dependent charge density waves in 2H-type transition metal dichalcogenides
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    “…Transition metal dichalcogenides are optically active, layered materials promising for fast optoelectronics and on-chip photonics. …”
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    Atomically thin quantum light-emitting diodes
  13. 13
    “…The optical properties of monolayer and bilayer transition metal dichalcogenide semiconductors are governed by excitons in different spin and valley configurations, providing versatile aspects for van der Waals heterostructures and devices. …”
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    Exciton g-factors in monolayer and bilayer WSe(2) from experiment and theory
  14. 14
    “…Here, we present a layer-engineered exfoliation technique for graphene that not only allows us to obtain large-size graphene, up to a millimeter size, but also allows selective thickness control. A thin metal film evaporated on graphite induces tensile stress such that spalling occurs, resulting in exfoliation of graphene, where the number of exfoliated layers is adjusted by using different metal films. …”
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    Layer-engineered large-area exfoliation of graphene
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    “…In addition, we measured the device as a complementary metal–oxide–semiconductor (CMOS) inverter by switching the charge-carrier polarity of the MoTe(2) FET. …”
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    Conversion of Charge Carrier Polarity in MoTe(2) Field Effect Transistor via Laser Doping
  16. 16
    “…Our results highlight the profound role of interlayer hybridization for transition metal dichalcogenide heterostacks and other realizations of multi-layered semiconductor van der Waals heterostructures.…”
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    Moiré excitons in MoSe(2)-WSe(2) heterobilayers and heterotrilayers
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    “…The mechanism of selective alloying between sacrifice metal atoms and defective or pristine dichalcogenides is analyzed with high-resolution scanning transmission electron microscopy. …”
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    Non-invasive digital etching of van der Waals semiconductors
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    “…We combine light-emitting devices, based on exciton recombination in transition metal dichalcogenides, with hexagonal boron nitride photonic waveguides in a single van der Waals heterostructure. …”
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    WSe(2) Light-Emitting Device Coupled to an h-BN Waveguide
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    “…[Image: see text] Bilayer graphene (BLG) was recently shown to host a band-inverted phase with unconventional topology emerging from the Ising-type spin–orbit interaction (SOI) induced by the proximity of transition metal dichalcogenides with large intrinsic SOI. Here, we report the stabilization of this band-inverted phase in BLG symmetrically encapsulated in tungsten diselenide (WSe(2)) via hydrostatic pressure. …”
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    Stabilizing the Inverted Phase of a WSe(2)/BLG/WSe(2) Heterostructure via Hydrostatic Pressure
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    “…[Image: see text] The allotropic affinity for bulk silicon and unique electronic and optical properties make silicene a promising candidate for future high-performance devices compatible with mature complementary metal–oxide–semiconductor technology. However, silicene’s outstanding properties are not preserved on its most prominent growth templates, due to strong substrate interactions and hybridization effects. …”
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    Optical Signatures of Dirac Electrodynamics for hBN-Passivated Silicene on Au(111)
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