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The effect on molecular transport due to chemical modification of the metal-molecule interface is investigated, using as an example the prototypical molecular device formed by attaching a p-disubstituted benzene molecule onto two gold…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Yongqiang Xue , Mark A. Ratner

Photoresponsive materials feature properties that can be adjusted near- instantaneously, reversibly, and with high spatiotemporal precision, by light. There is considerable interest in maximising the degree of switching, and in measuring…

Strong light-matter coupling is a quantum process in which light and matter are coupled together, generating hybridized states. This is similar to the notion of molecular hybridization, but one of the components is light. Here, we utilized…

Applied Physics · Physics 2024-02-20 Jhuma Dutta , Pooja Bhatt , Kuljeet Kaur , Daniel E. Gómez , Jino George

Modeling the electronic and optical properties of organic semiconductors remains a challenge for theory, despite the remarkable progress achieved in the last three decades. The complexity of these systems, including structural (dis)order…

Materials Science · Physics 2023-02-15 Caterina Cocchi , Michele Guerrini , Jannis Krumland , Ngoc Trung Nguyen , Ana M. Valencia

Metallic nanogranular films display a complex dynamical response to a constant bias, showing up as atypical resistive switching mechanism which could be used to create electrical components for neuromorphic applications. To model such a…

Materials Science · Physics 2022-10-19 Miquel López-Suárez , Claudio Melis , Luciano Colombo , Walter Tarantino

The family of hybrid organic-inorganic lead-halide perovskites are the subject of intense interest for optoelectronic applications, from light-emitting diodes to photovoltaics to X-ray detectors. Due to the inert nature of most organic…

Single molecules that exhibit narrow optical transitions at cryogenic temperatures can be used as local electric-field sensors. We derive the single charge sensitivity of aromatic organic dye molecules, based on first principles. Through…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Sanli Faez , Sense Jan van der Molen , Michel Orrit

One-particle interchain hopping in a system of coupled Luttinger liquids is investigated by use of exact diagonalizations techniques. Firstly, the two chain problem of spinless fermions is studied in order to see the behaviour of the band…

Strongly Correlated Electrons · Physics 2009-10-30 S. Capponi , D. Poilblanc

The reliable, deterministic production of trustworthy high-quality single photons is a critical component of discrete variable, optical quantum technology. For single-photon based fully error-corrected quantum computing systems, it is…

Quantum Physics · Physics 2024-11-20 Sebastian Brandhofer , Casey R. Myers , Simon J. Devitt , Ilia Polian

Metal-free porphyrins can switch between hydrogen-bonded tautomers, potentially enabling reversible control in molecular electronics. However, electric field gating of porphyrin tautomerism, which is critical for device integration, has not…

Chemical Physics · Physics 2026-01-01 Yenni P. Ortiz , Arnau Cortés-Llamas , Jordi Ribas-Arino , Stefan T. Bromley

We present measurements of magnetic tunnel junctions made using a self-assembled-monolayer molecular barrier. Ni/octanethiol/Ni samples were fabricated in a nanopore geometry. The devices exhibit significant changes in resistance as the…

Mesoscale and Nanoscale Physics · Physics 2010-10-05 J. R. Petta , S. K. Slater , D. C. Ralph

Molecular electronics is a fascinating area of research with the ability to tune device properties by a chemical tailoring of organic molecules. However, molecular electronics devices often suffer from dispersion and lack of reproducibility…

Mesoscale and Nanoscale Physics · Physics 2013-02-11 Nicolas Clement , David Guerin , Stephane Pleutin , Sylvie Godey , Dominique Vuillaume

This article reviews recent progress in two-dimensional (2D) hybrid structures that integrate transition metal dichalcogenides (TMDs) with photochromic molecules for photodetector applications. Atomically thin TMD semiconductors offer…

Mesoscale and Nanoscale Physics · Physics 2025-06-16 Sewon Park , Jaehoon Ji , Joakim Andreasson , Jeong Ho You , Jong Hyun Choi

A novel mechanism for switching a molecular junction based on a proton transfer reaction triggered by an external electrostatic field is proposed. As a specific example to demonstrate the feasibility of the mechanism, the tautomers…

Mesoscale and Nanoscale Physics · Physics 2014-04-18 C. Hofmeister , R. Härtle , O. Rubio-Pons , P. B. Coto , A. L. Sobolewski , M. Thoss

We theoretically investigate the transport properties of a molecule embedded in one arm of a mesoscopic Aharonov-Bohm interferometer. Due to the presence of phonons the molecule level position ($\epsilon_d$) and the electron-electron…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 Jong Soo Lim , Rosa Lopez , Gloria Platero , Pascal Simon

In recent years, charge transport in metal-organic frameworks (MOFs) has shifted into the focus of scientific research. In this context, systems with efficient through-space charge transport pathways resulting from pi-stacked conjugated…

Materials Science · Physics 2020-12-01 Christian Winkler , Egbert Zojer

An electron transport is studied in the system which consists of scanning tunneling microscopy-single molecule magnet-metal. Due to quantum tunneling of magnetization in single-molecule magnet, linear response conductance exhibits stepwise…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Gwang-Hee Kim , Tae-Suk Kim

The switching behaviour of stilbene molecular system (SMS) device is investigated with the help of non-equilibrium Green's function (NEGF) approach using first principles calculation. The transmission spectrum of cis-isomers confirmed that…

Mesoscale and Nanoscale Physics · Physics 2018-12-21 V. Nagarajan , R. Chandiramouli

This paper reviews some selected approaches to the description of transport properties, mainly electroconductivity, in crystalline and disordered metallic systems. A detailed qualitative theoretical formulation of the electron transport…

Statistical Mechanics · Physics 2011-09-27 A. L. Kuzemsky

Coupled ionic and electronic transport underpins processes as diverse as electrochemical energy conversion, biological signaling, and soft adaptive electronics. Yet, how chemical environments such as pH modulate this coupling at the…