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C$_3$N is a recently discovered 2D layered material structurally similar to graphene, which has demonstrated immense prospect for future nanoelectronics. In this work, we have designed and investigated the operation and performance of a…

Mesoscale and Nanoscale Physics · Physics 2019-07-09 S. Rani , S. J. Ray

Creating a transmon qubit using semiconductor-superconductor hybrid materials not only provides electrostatic control of the qubit frequency, it also allows parts of the circuit to be electrically connected and disconnected in situ by…

Mesoscale and Nanoscale Physics · Physics 2020-02-12 A. Kringhøj , T. W. Larsen , B. van Heck , D. Sabonis , O. Erlandsson , I. Petkovic , D. I. Pikulin , P. Krogstrup , K. D. Petersson , C. M. Marcus

A single-electron tunneling (SET) device with a nanoscale central island that can move with respect to the bulk source- and drain electrodes allows for a nanoelectromechanical (NEM) coupling between the electrical current through the device…

Mesoscale and Nanoscale Physics · Physics 2013-04-29 R. I. Shekhter , L. Y. Gorelik , I. V. Krive , M. N. Kiselev , A. V. Parafilo , M. Jonson

We propose an on-demand single photon source for quantum cryptography using a metal-insulator-semiconductor quantum dot capacitor structure. The main component in the semiconductor is a p-doped quantum well, and the cylindrical gate under…

Quantum Physics · Physics 2009-11-11 Binhui Hu , C. H. Yang , M. J. Yang

The transient tunneling current of single electron transistors (SETs) is theoretically investigated. The time-dependent current formula given by Jauho, Wingreen and Meir [Phys. Rev. B 50, 5528 (1994)] is applied to study the temperature…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 David M. -T. Kuo , Pei-Wen Li , W. T. Lai

The interplay between Coulomb interaction and orbital symmetry produces specific transport characteristics in molecular single electron transistors (SET) that can be considered as the fingerprints of the contacted molecule. Specifically we…

Mesoscale and Nanoscale Physics · Physics 2008-07-04 Georg Begemann , Dana Darau , Andrea Donarini , Milena Grifoni

We propose a new solid state implementation of a quantum computer (quputer) using ballistic single electrons as flying qubits in 1D nanowires. We use a single electron pump (SEP) to prepare the initial state and a single electron transistor…

Quantum Physics · Physics 2007-05-23 Radu Ionicioiu , Gehan Amaratunga , Florin Udrea

All electronic, optoelectronic or photovoltaic applications of silicon depend on controlling majority charge carriers via doping with impurity atoms. Nanoscale silicon is omnipresent in fundamental research (quantum dots, nanowires) but…

Materials Science · Physics 2016-12-13 Dirk König , Daniel Hiller , Sebastian Gutsch , Margit Zacharias , Sean Smith

Junctionless Nanowire Field-Effect Transistors (JNFETs), where the channel region is uniformly doped without the need for source-channel and drain-channel junctions or lateral doping abruptness, are considered an attractive alternative to…

Emerging Technologies · Computer Science 2014-04-02 Mostafizur Rahman , Pritish Narayanan , Csaba Andras Moritz

A single-electron transistor incorporated as part of a nanomechanical resonator represents an extreme limit of electron-phonon coupling. While it allows for fast and sensitive electromechanical measurements, it also introduces backaction…

Mesoscale and Nanoscale Physics · Physics 2020-07-01 Yutian Wen , N. Ares , F. J. Schupp , T. Pei , G. A. D. Briggs , E. A. Laird

In this paper, we present experimental results and simulation data of an electrostatically doped and therefore voltage-programmable, planar, CMOS-compatible field-effect transistor (FET) structure. This planar device is based on our…

Mesoscale and Nanoscale Physics · Physics 2015-02-17 Tillmann Krauss , Frank Wessely , Udo Schwalke

This letter reports a charge transfer p-doping scheme which utilizes one-electron oxidizing molecules to obtain stable, unipolar carbon nanotube transistors with a self-aligned gate structure. This doping scheme allows one to improve…

Materials Science · Physics 2015-07-20 Jia Chen , Christian Klinke , Ali Afzali , Phaedon Avouris

Two-dimensional materials are considered for future quantum devices and are usually produced by extensive methods like molecular beam epitaxy. We report on the fabrication of field-effect transistors using individual ultra-thin lead sulfide…

Materials Science · Physics 2015-07-20 Sedat Dogan , Thomas Bielewicz , Yuxue Cai , Christian Klinke

As semiconductor device dimensions are reduced to the nanometer scale, effects of high defect density surfaces on the transport properties become important to the extent that the metallic character that prevails in large and highly doped…

Mesoscale and Nanoscale Physics · Physics 2011-10-17 T. Ferrus , A. Rossi , M. Tanner , G. Podd , P. Chapman , D. A. Williams

Doping is a common route to reducing nanowire transistor on-resistance but has limits. High doping level gives significant loss in gate performance and ultimately complete gate failure. We show that electrolyte gating remains effective even…

Mesoscale and Nanoscale Physics · Physics 2018-02-14 A. R. Ullah , D. J. Carrad , P. Krogstrup , J. Nygård , A. P. Micolich

The performance of superconducting devices is often degraded by the uncontrolled appearance and disappearance of quasiparticles, a process known as poisoning. We demonstrate electrostatic control of quasiparticle poisoning in the form of…

A small scale bipolar transistor with polysilicon emitter will, depending on the emitter window size, display suppression of the hole tramsport due to single electron effects. In this paper the resulting base current suppression is computed…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 H. -O. Muller

Quantum computers require interfaces with classical electronics for efficient qubit control, measurement and fast data processing. Fabricating the qubit and the classical control layer using the same technology is appealing because it will…

Mesoscale and Nanoscale Physics · Physics 2018-05-16 S. Schaal , S. Barraud , J. J. L. Morton , M. F. Gonzalez-Zalba

We propose a cyclic refrigeration principle based on mesoscopic electron transport. Synchronous sequential tunnelling of electrons in a Coulomb-blockaded device, a normal metal-superconductor single-electron box, results in a cooling power…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 Jukka P. Pekola , Francesco Giazotto , Olli-Pentti Saira

Substantial progress on field effect transistors "FETs" consisting of semiconducting single wall carbon nanotubes "s-SWNTs" without detectable traces of metallic nanotubes and impurities is reported. Nearly perfect removal of metallic…