English
Related papers

Related papers: Gaining insight into molecular tunnel junctions wi…

200 papers

We analyze how functionality could be obtained within single-molecule devices by using a combination of non-equilibrium Green's functions and ab-initio calculations to study the inelastic transport properties of single-molecule junctions.…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 L. K. Dash , H. Ness , M. J. Verstraete , R. W. Godby

We present an atomistic theory of electronic transport through single organic molecules that reproduces the important features of the current-voltage characteristics observed in recent experiments. We trace these features to their origin in…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 J. Heurich , J. C. Cuevas , W. Wenzel , G. Schoen

Co(x nm, x=10nm or 40nm)/Cu(5nm)/Co(2.5nm) layers were deposited between copper electrodes in SiO2 vias. Magnetic states, and the corresponding resistance states, of these devices were switched by electric currents perpendicular to the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 S. K. Wong , A. B. Pakhomov , S. T. Hung , S. G. Yang , C. Y. Wong

Molecule-electrode interfaces in molecular electronic junctions are prone to chemical reactions, structural changes, and localized heating effects caused by electric current. These can be exploited for device functionality or may be…

Mesoscale and Nanoscale Physics · Physics 2020-04-22 Riley J. Preston , Vincent F. Kershaw , Daniel S. Kosov

Several studies on the transition voltage ($V_t$) are based on calculations of the tunneling current within the Simmons model. In this paper devoted to vacuum nano-junctions, we compare the Simmons results for $V_t$ with those obtained from…

Mesoscale and Nanoscale Physics · Physics 2011-07-19 Ioan Baldea , Horst Koppel

The i-V curve describes the current drawn from a flame as a function of the voltage difference applied across the reaction zone. Since combustion diagnostics and flame control strategies based on electric fields depend on the amount of…

Chemical Physics · Physics 2016-07-20 Jie Han , Memdouh Belhi , Tiernan A. Casey , Fabrizio Bisetti , Hong G. Im , Jyh-Yuan Chen

In this paper, a practical model for non-stationary Vehicle-to-Vehicle (V2V) multiple-input multiple-output (MIMO) channels is proposed. The new model considers more accurate output phase of Doppler frequency and is simplified by the Taylor…

Signal Processing · Electrical Eng. & Systems 2020-02-04 Weidong Li , Qiuming Zhu , Cheng-Xiang Wang , Fei Bai , Xiaomin Chen , Dazhuan Xu

The current voltage (IV) characteristics for perpendicular transport through two sequentially coupled wires of finite length is calculated analytically. The transport within a Coulomb blockade step is assisted by plasmon resonances that…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 A. L. Chudnovskiy

Physics based analytic equations for charge carrier profile and current density are derived by solving the carrier transport and the continuity equations for metal-intrinsic semiconductor-metal diodes. Using the analytic models a physics…

Other Condensed Matter · Physics 2017-12-06 Prashanth M Kumar , R Saranya , Soumya Dutta

Charge transport in tunnel junctions between singlet anisotropically paired superconductors is investigated theoretically making use of the Eilenberger equations for the quasiclassical Green functions. For specularly reflecting tunnel…

Condensed Matter · Physics 2008-02-03 Yury S. Barash , Anatoly A. Svidzinsky

We calculate non-perturbatively the inelastic effects on the conductance through a conjugated molecular wire-metal heterojunction, including realistic electron-phonon coupling. We show that at sub-band-gap energies the current is dominated…

Materials Science · Physics 2009-10-31 H. Ness , A. J. Fisher

Molecular electronics break-junction experiments are widely used to investigate fundamental physics and chemistry at the nanoscale. Reproducibility in these experiments relies on measuring conductance on thousands of freshly formed…

Chemical Physics · Physics 2024-01-29 Leopoldo Mejía , Pilar Cossio , Ignacio Franco

The quasiparticle method, which has achieved a great success in solid state electronics and crystal lattice vibration, is adopted to study the solid state ion transport. A general recipe is put forward to map the classical solid state ion…

Materials Science · Physics 2024-02-13 Jiaming Hu

A novel method for extracting threshold voltage and substrate effect parameters of MOSFETs with constant current bias at all levels of inversion is presented. This generalized constant-current (GCC) method exploits the charge-based model of…

Applied Physics · Physics 2020-09-02 Matthias Bucher , Nikolaos Makris , Loukas Chevas

We derive a deterministic protocol to implement a general single-qubit POVM on near-term circuit-based quantum computers. The protocol has a modular structure, such that an $n$-element POVM is implemented as a sequence of $(n-1)$ circuit…

Quantum Physics · Physics 2020-01-15 Yordan S. Yordanov , Crispin H. W. Barnes

Data transmission rate in molecular communication systems can be improved by using multiple transmitters and receivers. In molecular multiple-input multiple-output (MIMO) systems which use only single type of molecules, the performance at…

Information Theory · Computer Science 2019-04-23 Nithin V. Sabu , Neeraj Varshney , Abhishek K. Gupta

While heating of a current carrying Ohmic conductors is an obvious consequence of the diffusive nature of the conduction in such systems, current induced cooling has been recently reported in some molecular conduction junctions. In this…

Mesoscale and Nanoscale Physics · Physics 2009-09-25 Michael Galperin , Keiji Saito , Alexander V. Balatsky , Abraham Nitzan

We formulate and apply a nonperturbative numerical approach to the nonequilibrium current, $I(V)$, through a voltage-biased molecular conductor. We focus on a single electronic level coupled to an unequilibrated vibration mode…

Mesoscale and Nanoscale Physics · Physics 2012-03-20 R. Hützen , S. Weiss , M. Thorwart , R. Egger

We study electron transport through a system of two lateral quantum dots coupled in series. We consider the case of weak coupling to the leads and a bias point in the Coulomb blockade. After a generalized Schrieffer-Wolf transformation,…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Udo Hartmann , Frank K. Wilhelm

Microscopic theory of counting statistics of electrical noise is reviewed. We discuss a model of passive charge detector based on current fluctuations coupled to a spin, and its relation with the theory of photon counting in quantum optics.…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 L. S. Levitov
‹ Prev 1 8 9 10 Next ›