Results 31 to 40 of about 104,391 (313)

Theoretical study of electronic properties of resonant tunneling diodes based on double and triple AlGaAs barriers

open access: yesResults in Physics, 2020
In this paper, we investigated the effect of the central AlGaAs barrier width Lb2 in a resonant tunneling diode (RTD) composed by triple barriers on the current-voltage characteristics, and electronic density of free carriers.
Shaffa Almansour
doaj   +1 more source

On the Photo‐Carriers Dynamic Regulation by Piezo‐Phototronic Effect in Metal‐Oxide–Semiconductor Tunneling Junction

open access: yesAdvanced Materials Interfaces, 2023
The piezo‐phototronic effect can modulate the dynamics of photo‐generated carriers by utilizing external‐strain–induced piezoelectric charges (piezo‐charges).
Yitong Wang   +6 more
doaj   +1 more source

Highly sensitive strain sensors based on piezotronic tunneling junction

open access: yesNature Communications, 2022
Piezotronics with capacity of constructing adaptive and seamless interactions between electronics/machines and human/ambient are of value in Internet of Things, artificial intelligence and biomedical engineering.
Qiuhong Yu   +7 more
semanticscholar   +1 more source

Tunneling time and Hartman effect in a ferromagnetic graphene superlattice

open access: yesAIP Advances, 2012
Using transfer-matrix and stationary phase methods, we study the tunneling time (group delay time) in a ferromagnetic monolayer graphene superlattice. The system we peruse consists of a sequence of rectangular barriers and wells, which can be realized by
Farhad Sattari, Edris Faizabadi
doaj   +1 more source

How large is the spreading width of a superdeformed band? [PDF]

open access: yes, 2005
Recent models of the decay out of superdeformed bands can broadly be divided into two categories. One approach is based on the similarity between the tunneling process involved in the decay and that involved in the fusion of heavy ions, and builds on the
A. J. Sargeant   +6 more
core   +2 more sources

Accelerating Quantum Decay by Multiple Tunneling Barriers

open access: yesEntropy, 2023
A quantum particle constrained between two high potential barriers provides a paradigmatic example of a system sustaining quasi-bound (or resonance) states.
Ermanno Pinotti, Stefano Longhi
doaj   +1 more source

Thermoelectric Modeling of the Non-Ohmic Differential Conductance in a Tunnel Junction containing a Pinhole

open access: yes, 2003
To test the quality of a tunnel junction, one sometimes fits the bias-dependent differential conductance to a theoretical model, such as Simmons's formula.
D. A. Rabson   +4 more
core   +1 more source

Vacuum decay and the transmission resonances in space-dependent electric fields [PDF]

open access: yes, 2014
We investigate the decay of quantum electrodynamical (QED) vacuum in arbitrary space-dependent electric fields. In particular, we analyze the resonance peaks of the positron emission spectrum for the external fields with subcycle structure.
Dumlu, Cesim K.
core   +2 more sources

Exploiting Within-Channel Tunneling in a Nanoscale Tunnel Field-Effect Transistor

open access: yesIEEE Open Journal of Nanotechnology, 2020
In this paper, using device simulations, we investigate electrical characteristics of a tunnel field-effect transistor (TFET) in which band-to-band tunneling (BTBT) occurs dominantly within the channel, rather than at source-channel junction.
Shelly Garg, Sneh Saurabh
doaj   +1 more source

Longitudinal and transversal resonant tunneling of interacting bosons in a two-dimensional Josephson junction

open access: yesScientific Reports, 2022
We unravel the out-of-equilibrium quantum dynamics of a few interacting bosonic clouds in a two-dimensional asymmetric double-well potential at the resonant tunneling scenario.
Anal Bhowmik, Ofir E. Alon
doaj   +1 more source

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