Artículo
Dual capacitive-inductive nature of periodic graphene patches: Transmission characteristics at low-terahertz frequencies
Autor/es | Padooru, Yashwanth R.
Yakovlev, Alexander B. Kaipa, Chandra S. R. Hanson, George W. Medina Mena, Francisco Mesa Ledesma, Francisco Luis |
Departamento | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo Universidad de Sevilla. Departamento de Física Aplicada I |
Fecha de publicación | 2013 |
Fecha de depósito | 2017-04-27 |
Publicado en |
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Resumen | We report on the dual nature (capacitive and inductive) of the surface impedance of periodic graphene patches at low-terahertz frequencies. The transmission spectra of a graphene-dielectric stack shows that patterned ... We report on the dual nature (capacitive and inductive) of the surface impedance of periodic graphene patches at low-terahertz frequencies. The transmission spectra of a graphene-dielectric stack shows that patterned graphene exhibits both the low-frequency (capacitive) passband of metal patch arrays and the higher-frequency (inductive) passband of metal aperture arrays in a single tunable configuration. The analysis is carried out using a transfer-matrix approach with two-sided impedance boundary conditions, and the results are verified using full-wave numerical simulations. In addition, the Bloch-wave analysis of the corresponding infinite periodic structure is presented in order to explain the passband and stopband characteristics of the finite graphene-dielectric stack. |
Agencias financiadoras | Ministerio de Ciencia e Innovación (MICIN). España |
Identificador del proyecto | TEC2010-16948
CSD2008- 00066 |
Cita | Padooru, Y.R., Yakovlev, A.B., Kaipa, C.S.R., Hanson, G.W., Medina Mena, F. y Mesa Ledesma, F.L. (2013). Dual capacitive-inductive nature of periodic graphene patches: Transmission characteristics at low-terahertz frequencies. Physical Review B - Condensed Matter and Materials Physics, 87 (11), 115401-. |
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Dual capacitive inductive.pdf | 2.255Mb | [PDF] | Ver/ | |