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Quantum dots and single-molecule transistors may exhibit level crossings induced by tuning external parameters such as magnetic field or gate voltage. For Coulomb blockaded devices, this shows up as an inelastic cotunneling threshold in the…

Mesoscale and Nanoscale Physics · Physics 2013-01-10 Chiara Stevanato , Martin Leijnse , Karsten Flensberg , Jens Paaske

We investigate the nonlinear regime of charge and energy transport through Coulomb-blockaded quantum dots. We discuss crossed effects that arise when electrons move in response to thermal gradients (Seebeck effect) or energy flows in…

Mesoscale and Nanoscale Physics · Physics 2014-09-30 Miguel A. Sierra , David Sanchez

Here we study the polaronic transport through molecules weakly connected to metallic electrodes in the nonlinear response regime. Molecule itself is treated as a quantum dot with discrete energy levels, its connection to the electrodes is…

Mesoscale and Nanoscale Physics · Physics 2007-07-22 Kamil Walczak

We report on hybrid memristive devices made of a network of gold nanoparticles (10 nm diameter) functionalized by tailored 3,4(ethylenedioxy)thiophene (TEDOT) molecules, deposited between two planar electrodes with nanometer and micrometer…

One of the ultimate goals of molecular electronics is to create technologies that will complement - and eventually supersede - Si-based microelectronics technologies. To reach this goal, electronic properties that mimic at least some of the…

Mesoscale and Nanoscale Physics · Physics 2015-06-26 Bingqian Xu , Yonatan Dubi

Passing current at given threshold voltages through a metal/insulator/metal sandwich structure device may change its resistive state. Such resistive switching is unique to nanoscale devices, but its underlying physical mechanism remains…

Nanoscale electronic devices are of great interest for all kinds of applications like switching, energy conversion and sensing. The objective of this chapter, however, is not to discuss specific devices or applications. Rather it is to…

Mesoscale and Nanoscale Physics · Physics 2008-11-03 Supriyo Datta

An oscillatory dependence of the drain current on the drain voltage is found in a nanostructure consisting of two crossing semiconductor carbon nanotubes that are suspended over a dielectric trench, which is backed by a doped silicon…

Mesoscale and Nanoscale Physics · Physics 2009-02-19 M. Al Ahmad , D. Dragoman , M. Dragoman , R. Plana , J. -H. Ting , F. -Y. Huang , T. -L. Li

We study the effect of magnetic anisotropy in a single electron transistor with ferromagnetic electrodes and a non-magnetic island. We identify the variation $\delta \mu$ of the chemical potential of the electrodes as a function of the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 J. Fernandez-Rossier , R. Aguado , L. Brey

Materials exhibiting negative differential resistance have important applications in technologies involving microwave generation, which range from motion sensing to radio astronomy. Despite their usefulness, there has been few physical…

Mesoscale and Nanoscale Physics · Physics 2016-07-19 Ching Hua Lee , Xiao Zhang , Bochen Guan

We demonstrate that the different magnetic states of a Mn12 molecule can be distinguished in a two-probe transport experiment from a complete knowledge of the current-voltage curve. Our results, obtained with state-of-the-art…

Materials Science · Physics 2009-05-05 C. D. Pemmaraju , I. Rungger , S. Sanvito

Transport properties of ferromagnetic/non-magnetic/ferromagnetic single electron transistors are investigated as a function of external magnetic field, temperature, bias and gate voltage. By designing the magnetic electrodes to have…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Jan Johansson , Mattias Urech , David Haviland , V. Korenivski

Metallic nanoparticles offer possibilities to build basic electric devices with new functionality and improved performance. Due to the small volume and the resulting low self-capacitance, each single nanoparticle exhibits a high charging…

Mesoscale and Nanoscale Physics · Physics 2016-12-16 Hauke Lehmann , Svenja Willing , Sandra Möller , Mirjam Volkmann , Christian Klinke

The nanomechanical single-electron shuttle is a resonant system in which a suspended metallic island oscillates between and impacts at two electrodes. This setup holds promise for one-by-one electron transport and the establishment of an…

Mesoscale and Nanoscale Physics · Physics 2013-02-21 Michael J. Moeckel , Darren R. Southworth , Eva M. Weig , Florian Marquardt

We experimentally study the transport features of electrons in a spin-diode structure consisting of a single semiconductor quantum dot (QD) weakly coupled to one nonmagnetic (NM) and one ferromagnetic (FM) lead, in which the QD has an…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 K. Hamaya , M. Kitabatake , K. Shibata , M. Jung , S. Ishida , T. Taniyama , K. Hirakawa , Y. Arakawa , T. Machida

Superconducting diodes, devices that allow Cooper-pair currents to flow more easily in one direction than the other, are set to become key building blocks for dissipationless electronics. Existing realizations, however, rely on magnetic…

Mesoscale and Nanoscale Physics · Physics 2026-03-12 Jon Ortuzar , Stefano Trivini , Leonard Edens , F. Sebastian Bergeret , Jose Ignacio Pascual

We study the electron transport properties through a supported organic molecule styrene (C8H8) on an ideal silicon surface Si[111] and probed by a STM-tip. The I-V characteristics and the differential conductance of the molecule are…

Materials Science · Physics 2007-08-22 Samuel E. Baltazar , Mario De Menech , Ulf Saalmann , Aldo H. Romero , Martin E. Garcia

A single molecule break junction device serves as a tunable model system for probing the many body Kondo state. The low-energy properties of this state are commonly described in terms of a Kondo model, where the response of the system to…

Strongly Correlated Electrons · Physics 2013-06-28 Gavin D. Scott , Douglas Natelson , Stefan Kirchner , Enrique Muñoz

We investigate measurement of electron transport in quantum dot systems by using single-electron transistor as a noninvasive detector. It is demonstrated that such a detector can operate in the ``negative-result measurement'' regime. In…

Quantum Physics · Physics 2009-11-10 S. A. Gurvitz

We present transport measurements on a tunable three-layer graphene single electron transistor (SET). The device consists of an etched three-layer graphene flake with two narrow constrictions separating the island from source and drain…

Mesoscale and Nanoscale Physics · Physics 2009-01-06 J. Guettinger , C. Stampfer , F. Molitor , D. Graf , T. Ihn , K. Ensslin