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This mini review focuses on conductance measurements through molecular junctions containing few tens of molecules, which are fabricated along two approaches: (i) conducting atomic force microscope contacting a self-assembled monolayers on…

Applied Physics · Physics 2019-11-12 Dominique Vuillaume

We propose a mechanism which allows one to control the transmission of single electrons through a molecular junction. The principle utilizes the emergence of transmission sidebands when molecular vibrational modes are coupled to the…

Mesoscale and Nanoscale Physics · Physics 2010-03-26 Thomas Olsen , Jakob Schiøtz

The characteristics of molecular electronic devices are critically determined by metal-organic interfaces, which influence the arrangement of the orbital levels that participate in charge transport. Studies on self-assembled monolayers…

In the field of molecular electronics, particularly in quantum transport studies, the orientation of molecules plays a crucial role. This orientation, with respect to the electrodes, can be defined through the cavity of ring-shaped…

Materials Science · Physics 2023-02-17 A. Martinez-Garcia , T. de Ara , L. Pastor-Amat , C. Untiedt , E. B. Lombardi , W. Dednam , C. Sabater

The solid-state structures of organic charge transfer (CT) salts are critical in determining their mode of charge transport, and hence their unusual electrical properties, which range from semiconducting through metallic to superconducting.…

Mesoscale and Nanoscale Physics · Physics 2016-01-05 Andrea Vezzoli , Iain Grace , Carly Brooke , Kun Wang , Colin J. Lambert , Bingqian Xu , Richard J. Nichols , Simon J. Higgins

Molecular electronics offers unique scientific and technological possibilities, resulting from both the nanometre scale of the devices and their reproducible chemical complexity. Two fundamental yet different effects, with no classical…

Mesoscale and Nanoscale Physics · Physics 2017-05-12 Andrew K. Mitchell , Kim G. L. Pedersen , Per Hedegaard , Jens Paaske

Recent years have shown steady progress in research towards molecular electronics [1,2], where molecules have been investigated as switches [3-5], diodes [6], and electronic mixers [7]. In much of the previous work a Scanning Tunnelling…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 R. H. M. Smit , Y. Noat , C. Untiedt , N. D. Lang , M. van Hemert , J. M. van Ruitenbeek

Transport properties of metal-molecule-metal junctions containing monolayer of conjugated and saturated molecules with characteristic dimensions in the range of 30-300 nm are correlated with microscopic topography, stress and chemical…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Nikolai B. Zhitenev , Weirong Jiang , Artur Erbe , Zhenan Bao , Eric Garfunkel , Donald M. Tennant , Raymond A. Cirelli

Molecular motion through pores plays a crucial role in various natural and industrial processes. One of the most fascinating features of biological channel-facilitated transport is a stochastic gating process, when the channels dynamically…

Chemical Physics · Physics 2018-12-20 Aram Davtyan , Anatoly B. Kolomeisky

Understanding the properties of electronic transport across metal-molecule interfaces is of central importance for controlling a large variety of molecular-based devices such as organic light emitting diodes, nanoscale organic spin-valves…

Mesoscale and Nanoscale Physics · Physics 2016-02-03 T. Yelin , R. Korytar , N. Sukenik , R. Vardimon , B. Kumar , C. Nuckolls , F. Evers , O. Tal

Metal/semiconductor interfaces govern the operation of semiconductor devices through the formation of charge injection barriers that can be controlled by tuning the metal work function. However, the controlling ability is typically limited…

Materials Science · Physics 2014-01-14 Ryo Nouchi , Masanori Shigeno , Nao Yamada , Tomoaki Nishino , Katsumi Tanigaki , Masahiko Yamaguchi

The conductance of a single metal-molecule-metal junction depends critically on the conformations of the molecule. In the simple case of a biphenyl, two phenyl rings linked together by a single C-C bond, the conductance is expected to…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Latha Venkataraman , Jennifer E. Klare , Colin Nuckolls , Mark S. Hybertsen , Michael L. Steigerwald

For adjusting the charging state of a molecular metal complex in the context of a density functional theory description of coherent electron transport through single molecule junctions, we correct for self interaction effects by fixing the…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 Georg Kastlunger , Robert Stadler

Graphene is an attractive electrode material to contact nanostructures down to the molecular scale since it can be gated electrostatically. Gating can be used to control the doping and the energy level alignment in the nanojunction, thereby…

Mesoscale and Nanoscale Physics · Physics 2016-01-20 Nick R. Papior , Tue Gunst , Daniele Stradi , Mads Brandbyge

Molecular bridges covalently bonded to two ferromagnetic electrodes can transform ferromagnetic materials and produce intriguing spin transport characteristics. This paper discusses the impact of molecule induced strong coupling on spin…

Materials Science · Physics 2019-12-04 Pawan Tyagi , Edward Friebe

Structural disorder is present in almost all experimental measurements of electronic transport through single molecules or molecular wires. To assess its influence on the conductance is computationally demanding, because a large number of…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 R. Maul , W. Wenzel

We propose an objective and robust method to extract the electrical conductance of single molecules connected to metal electrodes from a set of measured conductance data. Our method roots in the physics of tunneling and is tested on…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 M. Teresa González , Songmei Wu , Roman Huber , Sense J. van der Molen , Christian Schönenberger , Michel Calame

The rational design of single molecule electrical components requires a deep and predictive understanding of structure-function relationships. Here we explore the relationship between chemical substituents and the conductance of…

This paper addresses the question of whether a ``rigid molecule'' (one which does not deform in an external field) used as the conducting channel in a standard three-terminal MOSFET configuration can offer any performance advantage relative…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Prashant Damle , Titash Rakshit , Magnus Paulsson , Supriyo Datta

We investigate the electronic transport properties of a ferromagnet/normal/ferromagnet junction on the surface of a topological insulator with a gate voltage exerted on the normal segment. It is found that the conductance oscillates with…

Mesoscale and Nanoscale Physics · Physics 2012-11-29 K. H. Zhang , Z. C. Wang , Q. R. Zheng , G. Su