Ab-initio calculation of optical properties of AA-stacked bilayer graphene with tunable layer separation
Density functional theory based calculations revealed that optical properties of AA-stacked bilayer graphene are anisotropic and highly sensitive to the interlayer separation. In the long wave length limit of electromagnetic radiation, the frequency dependent response of complex dielectric function...
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| Autor*in: |
Nath, Palash [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2015transfer abstract |
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| Schlagwörter: |
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| Umfang: |
7 |
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| Übergeordnetes Werk: |
Enthalten in: Can digital technologies improve health? - The Lancet ELSEVIER, 2021, physics, chemistry and materials science, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:15 ; year:2015 ; number:6 ; pages:691-697 ; extent:7 |
| Links: |
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| DOI / URN: |
10.1016/j.cap.2015.03.011 |
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ELV034458727 |
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| 520 | |a Density functional theory based calculations revealed that optical properties of AA-stacked bilayer graphene are anisotropic and highly sensitive to the interlayer separation. In the long wave length limit of electromagnetic radiation, the frequency dependent response of complex dielectric function becomes vanishingly small beyond the optical frequency of 25.0 eV. Besides, static dielectric constant shows a saturation behaviour for parallel polarization of electric field vector when interlayer spacing is greater than 2.75 Å. As a consequence, an appropriate modification of effective fine structure constant is observed as a function of layer separation. Moreover, the bilayer systems are highly transparent in the optical frequency range of 7.0–10.0 eV. The electron energy loss function exhibits two different in-plane collective (plasmon) excitations and a single out of plane plasmon excitation. The spectral nature of different frequency dependent optical properties is observed to be very similar to that of the monolayer pristine graphene apart from their exact numerical values. | ||
| 520 | |a Density functional theory based calculations revealed that optical properties of AA-stacked bilayer graphene are anisotropic and highly sensitive to the interlayer separation. In the long wave length limit of electromagnetic radiation, the frequency dependent response of complex dielectric function becomes vanishingly small beyond the optical frequency of 25.0 eV. Besides, static dielectric constant shows a saturation behaviour for parallel polarization of electric field vector when interlayer spacing is greater than 2.75 Å. As a consequence, an appropriate modification of effective fine structure constant is observed as a function of layer separation. Moreover, the bilayer systems are highly transparent in the optical frequency range of 7.0–10.0 eV. The electron energy loss function exhibits two different in-plane collective (plasmon) excitations and a single out of plane plasmon excitation. The spectral nature of different frequency dependent optical properties is observed to be very similar to that of the monolayer pristine graphene apart from their exact numerical values. | ||
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| 700 | 1 | |a Jana, Debnarayan |4 oth | |
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10.1016/j.cap.2015.03.011 doi GBVA2015007000001.pica (DE-627)ELV034458727 (ELSEVIER)S1567-1739(15)00088-7 DE-627 ger DE-627 rakwb eng 530 530 DE-600 Nath, Palash verfasserin aut Ab-initio calculation of optical properties of AA-stacked bilayer graphene with tunable layer separation 2015transfer abstract 7 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Density functional theory based calculations revealed that optical properties of AA-stacked bilayer graphene are anisotropic and highly sensitive to the interlayer separation. In the long wave length limit of electromagnetic radiation, the frequency dependent response of complex dielectric function becomes vanishingly small beyond the optical frequency of 25.0 eV. Besides, static dielectric constant shows a saturation behaviour for parallel polarization of electric field vector when interlayer spacing is greater than 2.75 Å. As a consequence, an appropriate modification of effective fine structure constant is observed as a function of layer separation. Moreover, the bilayer systems are highly transparent in the optical frequency range of 7.0–10.0 eV. The electron energy loss function exhibits two different in-plane collective (plasmon) excitations and a single out of plane plasmon excitation. The spectral nature of different frequency dependent optical properties is observed to be very similar to that of the monolayer pristine graphene apart from their exact numerical values. Density functional theory based calculations revealed that optical properties of AA-stacked bilayer graphene are anisotropic and highly sensitive to the interlayer separation. In the long wave length limit of electromagnetic radiation, the frequency dependent response of complex dielectric function becomes vanishingly small beyond the optical frequency of 25.0 eV. Besides, static dielectric constant shows a saturation behaviour for parallel polarization of electric field vector when interlayer spacing is greater than 2.75 Å. As a consequence, an appropriate modification of effective fine structure constant is observed as a function of layer separation. Moreover, the bilayer systems are highly transparent in the optical frequency range of 7.0–10.0 eV. The electron energy loss function exhibits two different in-plane collective (plasmon) excitations and a single out of plane plasmon excitation. The spectral nature of different frequency dependent optical properties is observed to be very similar to that of the monolayer pristine graphene apart from their exact numerical values. Bilayer graphene Elsevier Dielectric function Elsevier Density functional theory Elsevier Optical property Elsevier Sanyal, D. oth Jana, Debnarayan oth Enthalten in Elsevier Science The Lancet ELSEVIER Can digital technologies improve health? 2021 physics, chemistry and materials science Amsterdam [u.a.] (DE-627)ELV006885837 volume:15 year:2015 number:6 pages:691-697 extent:7 https://doi.org/10.1016/j.cap.2015.03.011 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 15 2015 6 691-697 7 045F 530 |
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10.1016/j.cap.2015.03.011 doi GBVA2015007000001.pica (DE-627)ELV034458727 (ELSEVIER)S1567-1739(15)00088-7 DE-627 ger DE-627 rakwb eng 530 530 DE-600 Nath, Palash verfasserin aut Ab-initio calculation of optical properties of AA-stacked bilayer graphene with tunable layer separation 2015transfer abstract 7 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Density functional theory based calculations revealed that optical properties of AA-stacked bilayer graphene are anisotropic and highly sensitive to the interlayer separation. In the long wave length limit of electromagnetic radiation, the frequency dependent response of complex dielectric function becomes vanishingly small beyond the optical frequency of 25.0 eV. Besides, static dielectric constant shows a saturation behaviour for parallel polarization of electric field vector when interlayer spacing is greater than 2.75 Å. As a consequence, an appropriate modification of effective fine structure constant is observed as a function of layer separation. Moreover, the bilayer systems are highly transparent in the optical frequency range of 7.0–10.0 eV. The electron energy loss function exhibits two different in-plane collective (plasmon) excitations and a single out of plane plasmon excitation. The spectral nature of different frequency dependent optical properties is observed to be very similar to that of the monolayer pristine graphene apart from their exact numerical values. Density functional theory based calculations revealed that optical properties of AA-stacked bilayer graphene are anisotropic and highly sensitive to the interlayer separation. In the long wave length limit of electromagnetic radiation, the frequency dependent response of complex dielectric function becomes vanishingly small beyond the optical frequency of 25.0 eV. Besides, static dielectric constant shows a saturation behaviour for parallel polarization of electric field vector when interlayer spacing is greater than 2.75 Å. As a consequence, an appropriate modification of effective fine structure constant is observed as a function of layer separation. Moreover, the bilayer systems are highly transparent in the optical frequency range of 7.0–10.0 eV. The electron energy loss function exhibits two different in-plane collective (plasmon) excitations and a single out of plane plasmon excitation. The spectral nature of different frequency dependent optical properties is observed to be very similar to that of the monolayer pristine graphene apart from their exact numerical values. Bilayer graphene Elsevier Dielectric function Elsevier Density functional theory Elsevier Optical property Elsevier Sanyal, D. oth Jana, Debnarayan oth Enthalten in Elsevier Science The Lancet ELSEVIER Can digital technologies improve health? 2021 physics, chemistry and materials science Amsterdam [u.a.] (DE-627)ELV006885837 volume:15 year:2015 number:6 pages:691-697 extent:7 https://doi.org/10.1016/j.cap.2015.03.011 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 15 2015 6 691-697 7 045F 530 |
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10.1016/j.cap.2015.03.011 doi GBVA2015007000001.pica (DE-627)ELV034458727 (ELSEVIER)S1567-1739(15)00088-7 DE-627 ger DE-627 rakwb eng 530 530 DE-600 Nath, Palash verfasserin aut Ab-initio calculation of optical properties of AA-stacked bilayer graphene with tunable layer separation 2015transfer abstract 7 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Density functional theory based calculations revealed that optical properties of AA-stacked bilayer graphene are anisotropic and highly sensitive to the interlayer separation. In the long wave length limit of electromagnetic radiation, the frequency dependent response of complex dielectric function becomes vanishingly small beyond the optical frequency of 25.0 eV. Besides, static dielectric constant shows a saturation behaviour for parallel polarization of electric field vector when interlayer spacing is greater than 2.75 Å. As a consequence, an appropriate modification of effective fine structure constant is observed as a function of layer separation. Moreover, the bilayer systems are highly transparent in the optical frequency range of 7.0–10.0 eV. The electron energy loss function exhibits two different in-plane collective (plasmon) excitations and a single out of plane plasmon excitation. The spectral nature of different frequency dependent optical properties is observed to be very similar to that of the monolayer pristine graphene apart from their exact numerical values. Density functional theory based calculations revealed that optical properties of AA-stacked bilayer graphene are anisotropic and highly sensitive to the interlayer separation. In the long wave length limit of electromagnetic radiation, the frequency dependent response of complex dielectric function becomes vanishingly small beyond the optical frequency of 25.0 eV. Besides, static dielectric constant shows a saturation behaviour for parallel polarization of electric field vector when interlayer spacing is greater than 2.75 Å. As a consequence, an appropriate modification of effective fine structure constant is observed as a function of layer separation. Moreover, the bilayer systems are highly transparent in the optical frequency range of 7.0–10.0 eV. The electron energy loss function exhibits two different in-plane collective (plasmon) excitations and a single out of plane plasmon excitation. The spectral nature of different frequency dependent optical properties is observed to be very similar to that of the monolayer pristine graphene apart from their exact numerical values. Bilayer graphene Elsevier Dielectric function Elsevier Density functional theory Elsevier Optical property Elsevier Sanyal, D. oth Jana, Debnarayan oth Enthalten in Elsevier Science The Lancet ELSEVIER Can digital technologies improve health? 2021 physics, chemistry and materials science Amsterdam [u.a.] (DE-627)ELV006885837 volume:15 year:2015 number:6 pages:691-697 extent:7 https://doi.org/10.1016/j.cap.2015.03.011 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 15 2015 6 691-697 7 045F 530 |
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10.1016/j.cap.2015.03.011 doi GBVA2015007000001.pica (DE-627)ELV034458727 (ELSEVIER)S1567-1739(15)00088-7 DE-627 ger DE-627 rakwb eng 530 530 DE-600 Nath, Palash verfasserin aut Ab-initio calculation of optical properties of AA-stacked bilayer graphene with tunable layer separation 2015transfer abstract 7 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Density functional theory based calculations revealed that optical properties of AA-stacked bilayer graphene are anisotropic and highly sensitive to the interlayer separation. In the long wave length limit of electromagnetic radiation, the frequency dependent response of complex dielectric function becomes vanishingly small beyond the optical frequency of 25.0 eV. Besides, static dielectric constant shows a saturation behaviour for parallel polarization of electric field vector when interlayer spacing is greater than 2.75 Å. As a consequence, an appropriate modification of effective fine structure constant is observed as a function of layer separation. Moreover, the bilayer systems are highly transparent in the optical frequency range of 7.0–10.0 eV. The electron energy loss function exhibits two different in-plane collective (plasmon) excitations and a single out of plane plasmon excitation. The spectral nature of different frequency dependent optical properties is observed to be very similar to that of the monolayer pristine graphene apart from their exact numerical values. Density functional theory based calculations revealed that optical properties of AA-stacked bilayer graphene are anisotropic and highly sensitive to the interlayer separation. In the long wave length limit of electromagnetic radiation, the frequency dependent response of complex dielectric function becomes vanishingly small beyond the optical frequency of 25.0 eV. Besides, static dielectric constant shows a saturation behaviour for parallel polarization of electric field vector when interlayer spacing is greater than 2.75 Å. As a consequence, an appropriate modification of effective fine structure constant is observed as a function of layer separation. Moreover, the bilayer systems are highly transparent in the optical frequency range of 7.0–10.0 eV. The electron energy loss function exhibits two different in-plane collective (plasmon) excitations and a single out of plane plasmon excitation. The spectral nature of different frequency dependent optical properties is observed to be very similar to that of the monolayer pristine graphene apart from their exact numerical values. Bilayer graphene Elsevier Dielectric function Elsevier Density functional theory Elsevier Optical property Elsevier Sanyal, D. oth Jana, Debnarayan oth Enthalten in Elsevier Science The Lancet ELSEVIER Can digital technologies improve health? 2021 physics, chemistry and materials science Amsterdam [u.a.] (DE-627)ELV006885837 volume:15 year:2015 number:6 pages:691-697 extent:7 https://doi.org/10.1016/j.cap.2015.03.011 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 15 2015 6 691-697 7 045F 530 |
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| format_se |
Elektronische Aufsätze |
| author-letter |
Nath, Palash |
| doi_str_mv |
10.1016/j.cap.2015.03.011 |
| dewey-full |
530 |
| title_sort |
ab-initio calculation of optical properties of aa-stacked bilayer graphene with tunable layer separation |
| title_auth |
Ab-initio calculation of optical properties of AA-stacked bilayer graphene with tunable layer separation |
| abstract |
Density functional theory based calculations revealed that optical properties of AA-stacked bilayer graphene are anisotropic and highly sensitive to the interlayer separation. In the long wave length limit of electromagnetic radiation, the frequency dependent response of complex dielectric function becomes vanishingly small beyond the optical frequency of 25.0 eV. Besides, static dielectric constant shows a saturation behaviour for parallel polarization of electric field vector when interlayer spacing is greater than 2.75 Å. As a consequence, an appropriate modification of effective fine structure constant is observed as a function of layer separation. Moreover, the bilayer systems are highly transparent in the optical frequency range of 7.0–10.0 eV. The electron energy loss function exhibits two different in-plane collective (plasmon) excitations and a single out of plane plasmon excitation. The spectral nature of different frequency dependent optical properties is observed to be very similar to that of the monolayer pristine graphene apart from their exact numerical values. |
| abstractGer |
Density functional theory based calculations revealed that optical properties of AA-stacked bilayer graphene are anisotropic and highly sensitive to the interlayer separation. In the long wave length limit of electromagnetic radiation, the frequency dependent response of complex dielectric function becomes vanishingly small beyond the optical frequency of 25.0 eV. Besides, static dielectric constant shows a saturation behaviour for parallel polarization of electric field vector when interlayer spacing is greater than 2.75 Å. As a consequence, an appropriate modification of effective fine structure constant is observed as a function of layer separation. Moreover, the bilayer systems are highly transparent in the optical frequency range of 7.0–10.0 eV. The electron energy loss function exhibits two different in-plane collective (plasmon) excitations and a single out of plane plasmon excitation. The spectral nature of different frequency dependent optical properties is observed to be very similar to that of the monolayer pristine graphene apart from their exact numerical values. |
| abstract_unstemmed |
Density functional theory based calculations revealed that optical properties of AA-stacked bilayer graphene are anisotropic and highly sensitive to the interlayer separation. In the long wave length limit of electromagnetic radiation, the frequency dependent response of complex dielectric function becomes vanishingly small beyond the optical frequency of 25.0 eV. Besides, static dielectric constant shows a saturation behaviour for parallel polarization of electric field vector when interlayer spacing is greater than 2.75 Å. As a consequence, an appropriate modification of effective fine structure constant is observed as a function of layer separation. Moreover, the bilayer systems are highly transparent in the optical frequency range of 7.0–10.0 eV. The electron energy loss function exhibits two different in-plane collective (plasmon) excitations and a single out of plane plasmon excitation. The spectral nature of different frequency dependent optical properties is observed to be very similar to that of the monolayer pristine graphene apart from their exact numerical values. |
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GBV_USEFLAG_U GBV_ELV SYSFLAG_U |
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6 |
| title_short |
Ab-initio calculation of optical properties of AA-stacked bilayer graphene with tunable layer separation |
| url |
https://doi.org/10.1016/j.cap.2015.03.011 |
| remote_bool |
true |
| author2 |
Sanyal, D. Jana, Debnarayan |
| author2Str |
Sanyal, D. Jana, Debnarayan |
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| doi_str |
10.1016/j.cap.2015.03.011 |
| up_date |
2024-07-06T21:10:50.616Z |
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7.402194 |