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We study theoretically the electronic structure, transport and optical properties for a zigzag single-wall carbon nanotube connected to two normal conductor leads under the irradiation of an external electromagnetic field at low…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Wenhu Liao , Guanghui Zhou , Kai-He Ding

A Poisson-Boltzmann approach is used to determine the double-layer integral and differential capacitances in a finite-length situation for an electrolytic cell. By means of simple analytical calculations, it is shown how these quantities…

Statistical Mechanics · Physics 2012-04-03 Roberta Rarumy Ribeiro de Almeida , Luiz Roberto Evangelista , Giovanni Barbero

Biomembranes are thin capacitors with the unique feature of displaying phase transitions in a physiologically relevant regime. We investigate the voltage and lateral pressure dependence of their capacitance close to their chain melting…

Biological Physics · Physics 2012-09-18 Thomas Heimburg

The nucleation mechanisms during solution deposition of organic semiconductor thin films determine the grain morphology and may influence the crystalline packing in some cases. Here, in-situ optical spectromicroscopy in reflection mode is…

Materials Science · Physics 2016-08-02 Yang Li , Jing Wan , Detlef-M. Smilgies , Nicole Bouffard , Richard Sun , Randall L. Headrick

Combining density functional theory calculations for molecular electronic structure with a Green function method for electron transport, we calculate from first principles the molecular conductance of benzene connected to two Au leads…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 San-Huang Ke , Harold U. Baranger , Weitao Yang

The influence of the charging effects on the transport characteristics of a molecular wire bridging two metallic electrodes in the limit of weak contacts is studied by generalized Breit-Wigner formula. Molecule is modeled as a quantum dot…

Chemical Physics · Physics 2009-11-10 Kamil Walczak

Optical control of polyatomic molecules promises new opportunities in precision metrology, fundamental chemistry, quantum information, and many-body science. Contemporary experimental and theoretical efforts have mostly focused on cycling…

Atomic Physics · Physics 2022-12-26 Phelan Yu , Adrian Lopez , William A. Goddard , Nicholas R. Hutzler

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

The charge transfer and polarization effects are important components in the molecular mechanism description of bio-molecules. Classical force field with fixed point charge cannot take into the account of the non-negligible correlation…

Chemical Physics · Physics 2018-03-01 Tiange Dong , Fang Liu , Likai Du , Dongju Zhang , Jun Gao

In colloid and nanoparticle chemistry, particle size, shape, crystallinity, surface morphology and composition are controlled by employing the mechanisms of burst nucleation, diffusional growth, aggregation, or their combinations. Here we…

Materials Science · Physics 2013-05-01 I. Sevonkaev , V. Privman , D. Goia

Molybdenum supported thin films of ScN, MgO and NaF with a Cu adatom have been studied in the framework of density functional theory. We have observed a charge transfer from the metal/film interface to the Cu atom and investigated its…

Materials Science · Physics 2015-07-14 Pjotrs A. Žguns , Michael Wessel , Natalia V. Skorodumova

Quantum dots (QD) with electric-field-controlled charge state are promising for electronics applications, e.g., digital information storage, single-electron transistors and quantum computing. Inorganic QDs consisting of semiconductor…

Materials Science · Physics 2024-05-30 Dhaneesh Kumar , Cornelius Krull , Yuefeng Yin , Nikhil V. Medhekar , Agustin Schiffrin

We use an atomistic approach to study the electronic properties of monolayer and bilayer black phosphorus in the vicinity of a charged defect. In particular, we combine screened defect potentials obtained from first-principles linear…

Materials Science · Physics 2021-12-21 Martik Aghajanian , Arash A. Mostofi , Johannes Lischner

The last two decades, in particular, have witnessed a large volume of research revolving around structure-property correlation in Carbon based nanocomposites, synthesized by several methods.In the simplest of terms, the electronic…

Materials Science · Physics 2021-10-07 Manab Mallik , Mainak Saha

The strong spatial confinement of a nanocavity plasmonic field has made it possible to visualize the inner structure of a single molecule and even to distinguish its vibrational modes in real space. With such ever-improved spatial…

In this review, we address the issue of the electrostatic complexation between charged-neutral diblock copolymers and oppositely charged nanocolloids. We show that nanocolloids such as surfactant micelles and iron oxide magnetic…

Soft Condensed Matter · Physics 2011-02-01 J. -F. Berret

Interfaces between aqueous electrolytes and nanoporous carbons are involved in a number of technological applications such as energy storage and capacitive deionization. The disordered nature of the carbon materials makes it challenging to…

Materials Science · Physics 2022-07-21 Anagha Sasikumar , John M. Griffin , Céline Merlet

Charge order affects most of the electronic properties but is believed not to alter the spin arrangement since the magnetic susceptibility remains unchanged. We present electron-spin-resonance experiments on quasi-one-dimensional (TMTTF)2X…

Strongly Correlated Electrons · Physics 2013-03-19 M. Dressel , M. Dumm , T. Knoblauch , B. Köhler , B. Salameh , S. Yasin

The state of chromatin in individual cells is directly related to the state of the whole organism and may be used for assessment of the state of the whole organism. Many hereditary diseases are connected with chromatin rearrangements.…

Cell Behavior · Quantitative Biology 2018-12-04 Yuriy Shckorbatov

The ground and excited state electronic structure of the molecular photoswitches quadricyclane and norbornadiene is examined qualitatively and quantitatively. A new custom basis set is introduced, optimised for efficient yet accurate…

Chemical Physics · Physics 2025-10-07 Joseph C. Cooper , Adam Kirrander
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