Erratum: Theory of reflectivity properties of graphene-coated material plates [Phys. Rev. B<b>92</b>, 125419 (2015)]

Korikov, C. C.; Петров, В. М.

doi:10.1103/physrevb.93.159906

Cited by 17 publications

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“…Comparing at room temperature. This is in agreement with similar result for a coating made of pure graphene [42].…”

Section: Influence Of Graphene Gap On the Reflectivity At Normalsupporting

confidence: 82%

“…The computational results show that a pronounced impact of graphene coating on the reflectivity of dielectric plates occurs only under the condition ω ≪ k B T (see Ref. [42] for the case of a gapless graphene coating and Sec. III).…”

Section: Reflection Coefficients In Different Frequency Regionsmentioning

confidence: 99%

“…It was shown that at frequencies much smaller than the thermal frequency the coating with gapless graphene results in a pronounced (up to an order of magnitude) increase in the reflectivity of dielectric plates. At high frequencies (for metallic plates at all frequencies) the influence of graphene coating on the reflectivity properties was shown to be rather moderate [42].…”

Section: Introductionmentioning

confidence: 99%

“…The reflection coefficients of a graphene-coated plate for two independent polarizations of the electromagnetic field defined at real frequencies are given by [42] …”

Section: Reflection Coefficients In Different Frequency Regionsmentioning

confidence: 99%

“…In Ref. [42] these reflection coefficients have been used to investigate the reflectivity properties of material plates coated with the pure (gapless) graphene. It was shown that at frequencies much smaller than the thermal frequency the coating with gapless graphene results in a pronounced (up to an order of magnitude) increase in the reflectivity of dielectric plates.…”

Section: Introductionmentioning

confidence: 99%

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Optical properties of dielectric plates coated with gapped graphene

Mostepanenko

2017

Phys. Rev. B

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The optical properties of dielectric plates coated with gapped graphene are investigated on the basis of first principles of quantum electrodynamics. The reflection coefficients and reflectivities of graphene-coated plates are expressed in terms of the polarization tensor of gapped graphene and the dielectric permittivity of plate material. Simple approximate expressions for the required combinations of components of the polarization tensor applicable in the wide frequency region, where the presence of a gap influences the optical properties, are found. Numerical computations of the reflectivities of graphene-coated SiO 2 plates are performed for different values of the mass-gap parameter at different temperatures. It is shown that with an increasing gap width the reflectivity of a graphene-coated plate at the normal incidence decreases by up to a factor of 8 depending on the values of frequency and mass-gap parameter. The angle dependences of reflectivities for both polarizations of the incident electromagnetic waves have been computed for Si and SiO 2 plates coated with gapped graphene. We demonstrate that the TM reflectivity has a minimum value at some angle of incidence depending on the mass-gap parameter, frequency and temperature, whereas the TE reflectivity depends on the angle of incidence monotonously. However, for the graphene coatings with a nonzero mass-gap parameter the reflected light cannot be fully polarized.Possible applications of the obtained results are discussed.

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“…Comparing at room temperature. This is in agreement with similar result for a coating made of pure graphene [42].…”

Section: Influence Of Graphene Gap On the Reflectivity At Normalsupporting

confidence: 82%

Section: Reflection Coefficients In Different Frequency Regionsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…The reflection coefficients of a graphene-coated plate for two independent polarizations of the electromagnetic field defined at real frequencies are given by [42] …”

Section: Reflection Coefficients In Different Frequency Regionsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Optical properties of dielectric plates coated with gapped graphene

Mostepanenko

2017

Phys. Rev. B

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Graphene-Coated Substrate as a Basis for Nano-Antennae

Malyi

Korikov

Петров

2018

Lecture Notes in Computer Science

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Reflectance of graphene-coated dielectric plates in the framework of Dirac model: joint action of energy gap and chemical potential

Malyi

Mostepanenko

Петров

2019

J. Phys.: Condens. Matter

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We investigate the reflectance of a dielectric plate coated with a graphene sheet which possesses the nonzero energy gap and chemical potential at any temperature. The general formalism for the reflectance using the polarization tensor is presented in the framework of Dirac model. It allows calculation of the reflectivity properties for any material plate coated with real graphene sheet on the basis of first principles of quantum electrodynamics. Numerical computations of the reflectance are performed for the graphene-coated SiO 2 plate at room, liquid-nitrogen, and liquid-helium temperatures. We demonstrate that there is a nontrivial interplay between the chemical potential, energy gap, frequency, and temperature in their joint action on the reflectance of a graphene-coated plate. Specifically, it is shown that at the fixed frequency of an incident light an increase of the chemical potential and the energy gap affect the reflectance in opposite directions by increasing and decreasing it, respectively. According to our results, the reflectance approaches unity at sufficiently low frequencies and drops to that of an uncoated plate at high frequencies for any values of the chemical potential and energy gap. The impact of temperature on the reflectance is found to be more pronounced for graphene coatings with smaller chemical potentials. The obtained results could be applied for optimization of optical detectors and other devices exploiting graphene coatings.

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Erratum: Theory of reflectivity properties of graphene-coated material plates [Phys. Rev. B92, 125419 (2015)]

Cited by 17 publications

References 0 publications

Optical properties of dielectric plates coated with gapped graphene

Optical properties of dielectric plates coated with gapped graphene

Graphene-Coated Substrate as a Basis for Nano-Antennae

Reflectance of graphene-coated dielectric plates in the framework of Dirac model: joint action of energy gap and chemical potential

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