Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Denis V"'
Autor:
Juan A. Delgado-Notario, Wojciech Knap, Vito Clericò, Juan Salvador-Sánchez, Jaime Calvo-Gallego, Takashi Taniguchi, Kenji Watanabe, Taiichi Otsuji, Vyacheslav V. Popov, Denis V. Fateev, Enrique Diez, Jesús E. Velázquez-Pérez, Yahya M. Meziani
Publikováno v:
Nanophotonics, Vol 11, Iss 3, Pp 519-529 (2022)
Terahertz (THz) waves have revealed a great potential for use in various fields and for a wide range of challenging applications. High-performance detectors are, however, vital for exploitation of THz technology. Graphene plasmonic THz detectors have
Autor:
Denis V. Fateev, Vyacheslav V. Popov
Publikováno v:
Semiconductors. 54:941-945
The intrinsic transverse-magnetic modes of graphene with spatial dispersion are investigated theoretically in the hydrodynamic regime in a terahertz frequency range. It is revealed that spatial dispersion is caused by the diffusion electron-transport
Autor:
Kirill A. Bokai, Dmitry Yu. Usachov, Denis V. Vyalikh, Dmitry Marchenko, Vladimir Mikhailovskii, Oleg Yu. Vilkov, Anna A. Makarova, Viktor O. Shevelev
Publikováno v:
The Journal of Physical Chemistry C. 124:17103-17110
We present a comparative study of oxygen intercalation under polycrystalline and highly ordered graphene samples on the Co(0001) surface, which are relevant for magnetic applications. A comprehensi...
Publikováno v:
Semiconductors. 53:1164-1169
The power conversion of a terahertz wave normally incident on a periodic graphene structure to propagating-plasmon power is theoretically studied. The conditions of the maximum conversion of the incident radiation power to the propagating-plasmon pow
Publikováno v:
Semiconductors. 53:1211-1216
The spectrum of amplification of terahertz radiation in a structured active graphene bilayer consisting of two identical periodic graphene microribbon arrays separated by a thin dielectric barrier layer is theoretically investigated. The system suppo
Publikováno v:
Solid-State Electronics. 157:20-24
The rectification of terahertz radiation in a periodically almost-depleted graphene structures with dual grating gate is studied. Plasmonic electron-hole ratchet based rectified current grows with decreasing the Fermi energy of charge carriers in the
Publikováno v:
Semiconductors. 52:1534-1539
The dependence of the plasmon terahertz resonant frequency in the generation mode on the quasi-Fermi energy in the active (ungated) region of graphene with an inverse charge carrier population and on the Fermi energy in the gated p- and n-type region
Publikováno v:
Semiconductors. 51:1460-1465
The absorption/amplification spectrum of terahertz radiation in inhomogeneous graphene (n–i–p–i structure) with a periodic dual metal grating is theoretically investigated. It is shown that the amplification of terahertz radiation sharply incre
Publikováno v:
Semiconductors. 51:1500-1504
The rectification of terahertz radiation due to plasmonic nonlinearities in a periodic graphene structure with a dual-grating gate and an asymmetric unit cell is considered. The influence of unit-cell asymmetry on the plasmonic rectification of the t
Autor:
A. S. Vopilov, Alexander Fedorov, V. K. Adamchuk, O. Yu. Vilkov, D. Yu. Usachov, A. V. Erofeevskaya, Denis V. Vyalikh
Publikováno v:
Physics of the Solid State. 57:1040-1047
The intercalation of silicon under graphene on the Co(0001) surface, which is accompanied by the formation of a silicon solid solution in cobalt and by the formation of a surface crystalline Co2Si phase, has been investigated using photoelectron spec