Resonant Tunneling Spectroscopy to Probe the Giant Stark Effect in Atomically Thin Materials.
Sign Up to like & getrecommendations! Published in 2020 at "Advanced materials"
DOI: 10.1002/adma.201906942
Abstract: Each atomic layer in van der Waals heterostructures possesses a distinct electronic band structure that can be manipulated for unique device operations. In the precise device architecture, the subtle but critical band splits by the… read more here.
Keywords: tunneling spectroscopy; stark effect; giant stark; spectroscopy ... See more keywords
Self-injection Locking of Rotary Traveling Pulses in Resonant-Tunneling-Diode Transmission-Line Loop
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Infrared, Millimeter, and Terahertz Waves"
DOI: 10.1007/s10762-020-00678-2
Abstract: A scheme is proposed for generating low-phase-noise oscillatory signals in sub-millimeter-wave frequencies, which utilizes the dynamics of a traveling pulse rotating in a closed system of oscillators, which consists of transmission lines periodically loaded with… read more here.
Keywords: self injection; injection locking; transmission; locking rotary ... See more keywords
Modeling of the Spin Currents in Resonant Tunneling Diodes Based on Ferromagnetic Semiconductor Spacers
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Superconductivity and Novel Magnetism"
DOI: 10.1007/s10948-018-4880-8
Abstract: In this paper, we theoretically study the effects of the widths of the central quantum well GaN and the right barrier AlGaN on the spin-polarized currents in resonant tunneling diode based on GaMnN contacts and… read more here.
Keywords: right barrier; spin current; currents resonant; spin ... See more keywords
Comparison of Asymptotic and Numerical Approaches to the Study of the Resonant Tunneling in Two-Dimensional Symmetric Quantum Waveguides of Variable Cross-Sections
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Mathematical Sciences"
DOI: 10.1007/s10958-019-04263-4
Abstract: The waveguide considered coincides with a strip having two narrows of width ε. An electron wave function satisfies the Dirichlet boundary value problem for the Helmholtz equation. The part of the waveguide between the narrows… read more here.
Keywords: numerical approaches; asymptotic numerical; resonant tunneling; waveguides variable ... See more keywords
Coalescence of resonances in dissipationless resonant tunneling structures and PT-symmetry breaking
Sign Up to like & getrecommendations! Published in 2017 at "Annals of Physics"
DOI: 10.1016/j.aop.2016.12.019
Abstract: Abstract We study the phenomenon of spontaneous symmetry breaking in dissipationless resonant tunneling structures (RTS). To describe the quantum transport in this system we apply both the nonequilibrium Green function formalism based on a tight-binding… read more here.
Keywords: dissipationless resonant; coalescence; coalescence resonances; symmetry breaking ... See more keywords
Quantum resonant tunneling in semiconductor double-barrier structure
Sign Up to like & getrecommendations! Published in 2018 at "Optik"
DOI: 10.1016/j.ijleo.2018.05.095
Abstract: Abstract Using Schrodinger equation, we have theoretically studied the quantum transport in double-barrier potential resonant tunneling diodes. To obtain higher peak in transmission coefficient in twofold barrier quantum well system require to reducing the barrier… read more here.
Keywords: barrier; transmission; tunneling semiconductor; double barrier ... See more keywords
Multiscroll chaotic attractors in Optical Injected Semiconductor Laser Driven by a Resonant Tunneling Diode Current
Sign Up to like & getrecommendations! Published in 2020 at "Optik"
DOI: 10.1016/j.ijleo.2020.164740
Abstract: Abstract This paper shows a complex nonlinear dynamics of an optically injected laser diode (LD) directly modulated by electrical current from a resonant tunneling diode (RTD) circuit. The LD model evolves a new control parameter… read more here.
Keywords: laser; chaotic attractors; tunneling diode; resonant tunneling ... See more keywords
Resonant tunneling device from multiple graphene/h-BN heterostructures
Sign Up to like & getrecommendations! Published in 2017 at "Superlattices and Microstructures"
DOI: 10.1016/j.spmi.2017.05.048
Abstract: Abstract We demonstrate how the tunneling current can be amplified in a vertical graphene/h-BN heterostructure device. The doping concentration of the graphene layers is designed in such a way that the Dirac points line up,… read more here.
Keywords: tunneling device; graphene; device multiple; tunneling current ... See more keywords
In-Plane and Out-of-Plane Investigation of Resonant Tunneling Polaritons in Metal–Dielectric–Metal Cavities
Sign Up to like & getrecommendations! Published in 2023 at "Nano Letters"
DOI: 10.1021/acs.nanolett.2c04864
Abstract: Polaritons can be generated by tuning the optical transitions of a light emitter to the resonances of a photonic cavity. We show that a dye-doped cavity generates resonant tunneling polaritons with Epsilon-Near-Zero (ENZ) effective permittivity.… read more here.
Keywords: tunneling polaritons; resonant tunneling; plane; metal dielectric ... See more keywords
Spin-Conserving Resonant Tunneling in Twist-Controlled WSe2-hBN-WSe2 Heterostructures.
Sign Up to like & getrecommendations! Published in 2018 at "Nano letters"
DOI: 10.1021/acs.nanolett.8b02770
Abstract: We investigate interlayer tunneling in heterostructures consisting of two tungsten diselenide (WSe2) monolayers with controlled rotational alignment, and separated by hexagonal boron nitride. In samples where the two WSe2 monolayers are rotationally aligned we observe… read more here.
Keywords: spin valley; two wse2; wse2; wse2 monolayers ... See more keywords
Magnetoresistance in Co-hBN-NiFe Tunnel Junctions Enhanced by Resonant Tunneling through Single Defects in Ultrathin hBN Barriers.
Sign Up to like & getrecommendations! Published in 2018 at "Nano letters"
DOI: 10.1021/acs.nanolett.8b02866
Abstract: Hexagonal boron nitride (hBN) is a prototypical high-quality two-dimensional insulator and an ideal material to study tunneling phenomena, as it can be easily integrated in vertical van der Waals devices. For spintronic devices, its potential… read more here.
Keywords: magnetoresistance hbn; tunnel junctions; tunnel; spin ... See more keywords