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The choice of impedance used to shunt a Josephson junction determines if the charge transferred through the circuit is quantized: a capacitive shunt renders the charge discrete, whereas an inductive shunt leads to continuous charge. This…

Mesoscale and Nanoscale Physics · Physics 2010-07-21 Jens Koch , V. Manucharyan , M. H. Devoret , L. I. Glazman

We investigate the effect of weak interactions on the full counting statistics of charge transfer through an arbitrary mesoscopic conductor. We show that the main effect can be incorporated into an energy dependence of the transmission…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 M. Kindermann , Yu. V. Nazarov

This letter investigates the bias-dependent low frequency noise of single layer graphene field-effect transistors. Noise measurements have been conducted with electrolyte-gated graphene transistors covering a wide range of gate and drain…

Mesoscale and Nanoscale Physics · Physics 2018-10-22 Nikolaos Mavredakis , Ramon Garcia Cortadella , Andrea Bonaccini Calia , Jose A. Garrido , David Jiménez

A real-space quantum transport simulator for carbon nanoribbon (CNR) MOSFETs has been developed. Using this simulator, the performance of carbon nanoribbon (CNR) MOSFETs is examined in the ballistic limit. The impact of quantum effects on…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Gengchiau Liang , Neophytos Neophytou , Mark S. Lundstrom , Dmitri E. Nikonov

An exact-diagonalization technique on small clusters is used to calculate the dynamical density correlation functions of the dimerized t-J chain and coupled anisotropic t-J ladders (trellis lattice) at quarter filling, i.e., the systems…

Strongly Correlated Electrons · Physics 2009-10-31 S. Nishimoto , Y. Ohta

We report low-temperature transport measurements of three-terminal T-shaped device patterned from GaAs/AlGaAs heterostructure. We demonstrate the mode branching and bend resistance effects predicted by numerical modeling for linear…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 J. Wrobel , P. Zagrajek , M. Czapkiewicz , M. Bek , D. Sztenkiel , K. Fronc , R. Hey , K. H. Ploog , B. R. Bulka

Gate tunable p-type multilayer tin mono-sulfide (SnS) field-effect transistor (FET) devices with SnS thickness between 50 and 100 nm were fabricated and studied to understand their performances. The devices showed anisotropic inplane…

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

In this paper, we present the unique features exhibited by modified asymmetrical Double Gate (DG) silicon on insulator (SOI) MOSFET. The proposed structure is similar to that of the asymmetrical DG SOI MOSFET with the exception that the…

Mesoscale and Nanoscale Physics · Physics 2010-08-19 G. Venkateshwar Reddy , M. Jagadesh Kumar1

An exact-diagonalization technique on small clusters is used to study the ground state of the dimerized t-J model at quarter filling. The equal-time charge and spin correlations, charge and spin gaps, and binding energy are calculated for…

Strongly Correlated Electrons · Physics 2009-10-31 S. Nishimoto , Y. Ohta

Al$_{0.68}$Sc$_{0.32}$N (AlScN) has gained attention for its outstanding ferroelectric properties, including a high coercive field and high remnant polarization. Although AlScN-based ferroelectric field-effect transistors (FETs) for memory…

We report on the existence of temperature induced negative differential conductivity (NDC) for electrons in gaseous nitrogen. The important role of superelastic rotational collisional processes in this phenomenon is highlighted. A model…

Chemical Physics · Physics 2019-04-16 M J E Casey , D G Cocks , G J Boyle , M J Brunger , S Dujko , J de Urquijo , R D White

We present a current and charge conserving theory for the low frequency admittance of a two-dimensional electron gas connected to ideal metallic contacts and subject to a quantizing magnetic field. In the framework of the edge-channel…

Condensed Matter · Physics 2009-10-28 T. Christen , M. Buttiker

This study establishes a unified framework for interpreting dynamic capacitive responses in InGaN-based light-emitting diodes (LEDs) through forward-bias capacitance-voltage-frequency spectroscopy. A hybrid impedance model integrating…

The dc current-voltage characteristics of small Josephson junctions reveal features that are not observed in larger junctions, in particular, a switch to the finite voltage state at current values much less than the expected critical…

Superconductivity · Physics 2024-04-11 Venkat Chandrasekhar

The ab initio simulation of charged interfaces in the framework of density functional theory (DFT) is heavily employed for the study of electrochemical energy conversion processes. The capacitance is the primary descriptor for the response…

Materials Science · Physics 2022-04-26 Tobias Binninger

Results of detailed simulations of the charge transfer inefficiency of a prototype serial readout CCD chip are reported. The effect of radiation damage on the chip operating in a particle detector at high frequency at a future accelerator…

Instrumentation and Detectors · Physics 2009-11-13 Andre Sopczak

In this work we test graphene electrodes in nano-metric channel n-type Organic Field EffectTransistors (OFETs) based on thermally evaporated thin films of perylene-3,4,9,10-tetracarboxylic acid diimide derivative (PDIF-CN2). By a thorough…

Applied Physics · Physics 2018-10-31 F. Chianese , A. Candini , M. Affronte , N. Mishra , C. Coletti , A. Cassinese

We describe a measurement method that enables the correct estimation of the charging energy of an unintentional quantum dot (QD) in the channel of a metal-oxide-semiconductor field-effect transistor (MOSFET). If the channel has a dominant…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 K. Ono , T. Tanamoto , T. Ohguro

Bottom-up synthesized GNRs and GNR heterostructures have promising electronic properties for high performance field effect transistors (FETs) and ultra-low power devices such as tunnelling FETs. However, the short length and wide band gap…