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The present collection of articles focuses on different aspects of topological-materials studies. Recent progress in both, theoretical and experimental, studies is covered in this Special Issue. A particular stress is given on different optical investigations, as well as on recent band-structure calculations. Besides, neutron scattering experiments, crystal growth, and a number of theoretical models for different topological systems are discussed.
topological insulators --- optical conductivity --- Dirac materials --- Weyl nodes --- screw rotation symmetry --- line node --- space group 19 --- space group 61 --- cyclotron resonance --- crystal growth --- optical floating zone method --- SmB6 --- Sm1-xCexB6 --- topological insulator --- kondo insulator --- topology --- chirality --- multifold semimetal --- optics --- DFT --- topological semimetal --- cobalt monosilicide --- mechanical deformation --- quantum anomalous Hall effect --- Faraday rotation --- terahertz spectroscopy --- inelastic neutron scattering --- topological materials --- anomalous Hall effect --- isotropic ferromagnet --- kagome --- frustrated magnetism --- skyrmion --- magnetization --- optical-conductivity scaling --- topological semimetals --- band structures --- high Chern numbers --- bulk-edge correspondence --- Weyl semimetals --- band-structure calculations --- optical response --- n/a
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Graphene is an allotrope of carbon consisting of a single layer of atoms arranged in a two-dimensional (2D) honeycomb lattice. Graphene's unique properties of thinness and conductivity have led to global research into its applications as a semiconductor. With the ability to well conduct electricity at room temperature, graphene semiconductors could easily be implemented into the existing semiconductor technologies and, in some cases, successfully compete with the traditional ones, such as silicon. This reprint presents very recent results in the physics of graphene, which can be important for applying the material in electronics.
Physics --- graphene --- scattering --- dephasing --- relaxation time --- band structure --- tight-binding model --- angle-resolved photoemission --- electron scattering --- augmented plane waves --- nanoscroll --- first-principle --- Klein tunneling --- borophene --- Dirac fermions --- electric field --- valence charge density --- image potential --- image-plane position --- image-potential states --- liquid conductor --- graphene solution --- circulating system --- microfluidic channel --- temperature --- optical power --- CVD graphene --- polycrystalline --- grain size --- single-crystalline grain --- grain boundary (GB) --- GB distribution --- sheet resistance --- transmission-line model measurement --- Bose-Einstein condensation --- superfluidity --- dipolar exitons --- low-dimensional semimetals --- electronic transport in graphene --- quantum hall effect --- ion-selective field-effect transistor --- sodium ions --- real-time monitoring --- mechanochemistry --- graphene nanosheets --- conductive ink --- inkjet printing --- printed electronics --- n/a
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