Thickness effects on the dielectric dispersion and optical conductivity parameters of CuO thin films
Sign Up to like & getrecommendations! Published in 2019 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.32192
Abstract: In this article, the effect of film thickness on the structural, optical, dielectric, and optical conductivity parameters of CuO thin films are reported. CuO thin films which are prepared by the physical vapor deposition technique… read more here.
Keywords: cuo thin; optical conductivity; thin films; film ... See more keywords
Universal Behavior of Quantum Spin Liquid and Optical Conductivity in the Insulator Herbertsmithite
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Low Temperature Physics"
DOI: 10.1007/s10909-017-1821-z
Abstract: We analyze optical conductivity with the goal to demonstrate experimental manifestation of a new state of matter, the so-called fermion condensate. Fermion condensates are realized in quantum spin liquids, exhibiting typical behavior of heavy-fermion metals.… read more here.
Keywords: quantum spin; conductivity; optical conductivity; spin liquid ... See more keywords
Optical properties of biased bilayer graphene due to gap parameter effects
Sign Up to like & getrecommendations! Published in 2020 at "Chinese Journal of Physics"
DOI: 10.1016/j.cjph.2020.09.020
Abstract: Abstract We address the optical conductivity of undoped bilayer graphene in the presence of a finite bias voltage at finite temperature. The effects of gap parameter and stacking type on optical conductivity are discussed in… read more here.
Keywords: bilayer graphene; conductivity; optical conductivity; gap parameter ... See more keywords
Precision Measurement of the Optical Conductivity of Atomically Thin Crystals via the Photonic Spin Hall Effect
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review Applied"
DOI: 10.1103/physrevapplied.13.014057
Abstract: How to measure the optical conductivity of atomically thin crystals is an important but challenging issue due to the weak light-matter interaction at the atomic scale. Photonic spin Hall effect, as a fundamental physical effect… read more here.
Keywords: conductivity atomically; atomically thin; optical conductivity; effect ... See more keywords
Optical conductivity of metal alloys with residual resistivities near or above the Mott-Ioffe-Regel limit
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.100.075128
Abstract: Most interesting examples of violations of the Mott-Ioffe-Regel (MIR) resistivity limit are found in materials with strong electronic correlations that are not well understood by theory. We demonstrate that first principles theory can predict the… read more here.
Keywords: limit; ioffe regel; mott ioffe; optical conductivity ... See more keywords
Optical conductivity in graphene: Hydrodynamic regime
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.100.115434
Abstract: A recent measurement of the optical conductivity in graphene [Gallagher, Yang, Lyu, Tian, Kou, Zhang, Watanabe, Taniguchi, and Wang, Science 364, 158 (2019)] offers a possibility of experimental determination of microscopic time scales describing scattering… read more here.
Keywords: hydrodynamic regime; conductivity graphene; graphene hydrodynamic; optical conductivity ... See more keywords
Observation of a topological nodal-line semimetal in YbMnSb2 through optical spectroscopy
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.100.125136
Abstract: The optical properties of YbMnSb2 have been measured in a broad frequency range from room temperature down to 7 K. With decreasing temperature, a flat region develops in the optical conductivity spectra at about 300cm-1,… read more here.
Keywords: dirac nodal; spectroscopy; nodal line; line semimetal ... See more keywords
Contrasting pressure evolution of f -electron hybridized states in CeRhIn5 and YbNi3Ga9 : An optical conductivity study
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.100.195112
Abstract: Optical conductivity [σ (ω)] of CeRhIn5 and YbNi3Ga9 have been measured at external pressures to 10 GPa and at low temperatures to 6 K. Regarding CeRhIn5, at ambient pressure the main feature in σ (ω)… read more here.
Keywords: cerhin5 ybni3ga9; optical conductivity; pressure; pressure evolution ... See more keywords
Photoinduced topological phase transition and optical conductivity of black phosphorene
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.101.035137
Abstract: We theoretically study the photoinduced topological phase transition of black phosphorene induced by laser light with moderate intensity, which can satisfy the experimentally realistic requirement to preserve the quality of the sample. By deriving the… read more here.
Keywords: ensuremath; optical conductivity; ensuremath omega; mathrm ensuremath ... See more keywords
Broadband optical conductivity of the chiral multifold semimetal PdGa
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.103.115206
Abstract: We present an optical conductivity study of the multifold semimetal PdGa, performed in a broad spectral range ($100--20 000 {\mathrm{cm}}^{\ensuremath{-}1}$; 12 meV--2.5 eV) down to $T=10$ K. The conductivity at frequencies below $4000 {\mathrm{cm}}^{\ensuremath{-}1}$ is… read more here.
Keywords: semimetal pdga; mathrm ensuremath; multifold semimetal; optical conductivity ... See more keywords
Tilt-induced many-body corrections to optical conductivity of tilted Dirac cone materials
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.104.085152
Abstract: Katsnelson has shown that, within the Fermi-liquid approach, the optical conductivity of Dirac electrons in graphene is not affected by many-body interactions [M. I. Katsnelson, Eur. Phys. Lett. 84, 37001 (2008)]. We show that, when… read more here.
Keywords: many body; dirac cone; conductivity; optical conductivity ... See more keywords