152 citations · 512 across the 19 of their papers we have counts for
19 papers
Effect of doping on hot-carrier thermal breakdown in perforated graphene metasurfaces
M. Ryzhii, V. Ryzhii, C. Tang +2
We examine the robustness of the S-shaped current-voltage characteristics associated with hot-carrier-induced electrical breakdown in perforated graphene metasurfaces (PGMs) as a f…
Thermal hot-carrier breakdown in metasurface structures based on coplanar arrays of graphene microribbons connected with wide-gap bridges
V. Ryzhii, M. Ryzhii, M. S. Shur +2
We analyze the thermal and electrical characteristics of the metasurface consisting of the coplanar interdigital array of the graphene microribbons (GMRs) connected by nanobridges…
Rectification and bolometric terahertz radiation detectors based on perforated graphene structures exhibiting plasmonic resonant response
V. Ryzhii, C. Tang, M. Ryzhii +2
We propose and evaluate the characteristics of the terahertz (THz) detectors based on perforated graphene layers (PGLs). The PGL structures constitute the interdigital in-plane arr…
Hot-carrier thermal breakdown and S-type current-voltage characteristics in perforated graphene structures
V. Ryzhii, C. Tang, M. Ryzhii +1
We investigate the carrier transport characteristics of perforated graphene layer (PGL) composed of arrays of interdigital coplanar graphene microribbons (GMRs) connected by graphe…
Detection of terahertz radiation using topological graphene micro-nanoribbon structures with transverse plasmonic resonant cavities
V. Ryzhii, C. Tang, T. Otsuji +2
The lateral interdigital array of the graphene microribbons (GMRs) on the h-BN substrate connected by narrow graphene nanoribbon (GNR) bridges serves as an efficient detector of te…
Dynamic characteristics of terahertz hot-electron graphene FET bolometers: effect of electron cooling in channel and at side contacts
V. Ryzhii, C. Tang, T. Otsuji +3
We analyze the operation of the hot-electron FET bolometers with the graphene channels (GCs) and the gate barrier layers (BLs). Such bolometers use the thermionic emission of the h…
Terahertz plasmonic resonances in coplanar graphene nanoribbon structures
V. Ryzhii, C. Tang, T. Otsuji +2
We analyze plasmonic oscillations in the coplanar graphene nanoribbon (GNR) structures induced by the applied terahertz (THz) signals and calculate the GNR impedance. The plasmonic…
Ballistic injection terahertz plasma instability in graphene n+-i-n-n+ field-effect transistors and lateral diodes
V. Ryzhii, M. Ryzhii, A. Satou +3
We analyze the operation of the graphene n+-i-n-n+ field-effect transistors (GFETs) and lateral diodes (GLDs) with the injection of ballistic electrons into the n-region. The momen…
Plasmonic Instabilities in Two-dimensional Electron Channels of Variable Width
G. R. Aizin, J. Mikalopas, M. Shur
Understanding of fundamental physics of plasmonic instabilities is the key issue for the design of a new generation of compact electronic devices required for numerous THz applicat…
Infrared photodetectors based on graphene van der Waals heterostructures
V. Ryzhii, M. Ryzhii, D. Svintsov +4
We propose and evaluate the graphene layer (GL) infrared photodetectors (GLIPs) based on the van der Waals (vdW) heterostructures with the radiation absorbing GLs. The operation of…
Two-dimensional plasmons in lateral carbon nanotube network structures and their effect on the terahertz radiation detection
V. Ryzhii, T. Otsuji, M. Ryzhii +10
We consider the carrier transport and plasmonic phenomena in the lateral carbon nanotube (CNT) networks forming the device channel with asymmetric electrodes. One electrode is the…
Resonant plasmonic terahertz detection in vertical graphene-base hot-electron transistors
V. Ryzhii, T. Otsuji, M. Ryzhii +2
We analyze dynamic properties of vertical graphene-base hot-electron transistors (GB-HETs) and consider their operation as detectors of terahertz (THz) radiation using the develope…
Graphene vertical hot-electron terahertz detectors
V. Ryzhii, A. Satou, T. Otsuji +3
We propose and analyze the concept of the vertical hot-electron terahertz (THz) graphene-layer detectors (GLDs) based on the double-GL and multiple-GL structures with the barrier l…
Graphene nanoelectromechanical resonators for detection of modulated terahertz radiation
D. Svintsov, V. G. Leiman, V. Ryzhii +2
We propose and analyze the detector of modulated terahertz (THz) radiation based on the graphene field-effect transistor with mechanically floating gate made of graphene as well. T…
Dynamic effects in double graphene-layer structures with inter-layer resonant-tunneling negative conductivity
V. Ryzhii, A. Satou, T. Otsuji +3
We study the dynamic effects in the double graphene-layer (GL) structures with the resonant-tunneling (RT) and the negative differential inter-GL conductivity. Using the developed…
Teraherz photomixing using plasma resonances in double-graphene layer structures
V. Ryzhii, M. Ryzhii, V. Mitin +3
We propose the concept of terahertz (THz) photomixing enabled by the interband electron transitions due to the absorption of modulated optical radiation in double-graphene layer (d…
Graphene terahertz uncooled bolometers
V. Ryzhii, T. Otsuji, M. Ryzhii +4
We propose the concept of a terahertz (THz) uncooled bolometer based on n-type and p-type graphene layers (GLs), constituting the absorbing regions, connected by an array of undope…
Effect of plasma resonances on dynamic characteristics of double graphene-layer optical modulator
V. Ryzhii, T. Otsuji, M. Ryzhii +4
We analyze the dynamic operation of an optical modulator based on double graphene-layer(GL) structure utilizing the variation of the GL absorption due to the electrically controlle…
Terahertz lasers based on optically pumped multiple graphene structures with slot-line and dielectric waveguides
V. Ryzhii, A. A. Dubinov, T. Otsuji +2
Terahertz (THz) lasers on optically pumped multiple-graphene-layer (MGL) structures as their active region are proposed and evaluated. The developed device model accounts for the i…