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Transition metal dichalcogenides (TMDs) have recently attracted attention due to their interesting electronic and optical properties. Fabrication of these materials in a reliable and facile method is important for future applications, as…

Stacking order in bilayers of transition metal dichalcogenides (TMDs) controls structural symmetry and layer-to-layer interactions, offering a direct route to tune their electronic properties and enable optoelectronic applications. The work…

Mesoscale and Nanoscale Physics · Physics 2026-04-14 Anagha Gopinath , Faiha Mujeeb , Subhabrata Dhar , Jyoti Mohanty

Thermophotovoltaics (TPVs) have the potential to exhibit higher power conversion efficiencies than traditional photovoltaics (PVs), with a broad range of applicability from waste recovery systems to aerospace solutions. They operate by…

Applied Physics · Physics 2024-10-29 Declan Kopper , Marina S. Leite

Hyperbolic materials are of particular interest for the next generation of photonic and optoelectronic devices. Since artificial metamaterials are intrinsically limited by the size of their nanostructured components, there has been a hunt…

Materials Science · Physics 2020-09-02 Saeideh Edalati-Boostan , Caterina Cocchi , Claudia Draxl

We investigate the behavior of low energy photons radiated by the deceleration processes of two colliding nuclei in relativistic heavy ion collisions using the Wigner function approach for electromagnetic radiation fields. The angular…

Nuclear Theory · Physics 2016-08-24 T. Koide , T. Kodama

Here we make use of vanadium dioxide (VO2) to design a bifunctional metasurface working at the same targeted frequency. With the increase of temperature, the functionality of the designed metasurface can switch from a multi-channel…

Optics · Physics 2020-08-26 Shan Zhu , Yanyan Cao , Yangyang Fu , Xiaochao Li , Lei Gao , Huanyang Chen , Yadong Xu

Many applications require charge neutralisation of isolated test bodies and this has been successfully done using photoelectric emission from surfaces which are electrically benign(gold) or superconducting (niobium). Gold surfaces nominally…

Instrumentation and Detectors · Physics 2019-07-08 Peter J Wass , Daniel Hollington , Timothy J Sumner , Fangchao Yang , Markus Pfeil

A near-field thermophotovoltaic (TPV) system with a multilayer emitter of alternate tungsten and alumina layer is proposed in this paper. The fluctuational electrodynamics along with the dyadic Green function for a multilayered structure is…

Mesoscale and Nanoscale Physics · Physics 2020-07-16 Yue Yang , Jui-Yung Chang , Liping Wang

The electronic structure of the quasi-lowdimensional vanadium sulfide \bavs3 is investigated for the different phases above the magnetic ordering temperature. By means of density functional theory and its combination with dynamical-mean…

Strongly Correlated Electrons · Physics 2009-11-13 Frank Lechermann , Silke Biermann , Antoine Georges

Dynamic radiative cooling attracts fast-increasing interest due to its adaptability to changing environment and promises for more energy-savings than the static counterpart. Here we demonstrate enhanced infrared emission by thermally…

Applied Physics · Physics 2020-12-16 Linshuang Long , Sydney Taylor , Liping Wang

This work focuses on the response to an external field of a Brownian particle submerged in an Ohmic quantum thermal bath. The field only affects the dynamics of the central particle without affecting the thermal reservoir. The thermodynamic…

Quantum Physics · Physics 2019-11-12 Pedro J. Colmenares

We present molecular dynamics simulations of the thermodynamic melting transition of a bcc metal, vanadium using the Finnis-Sinclair potential. We studied the structural, transport and energetic properties of slabs made of 27 atomic layers…

Statistical Mechanics · Physics 2009-11-10 V. Sorkin , E. Polturak , Joan Adler

Battery electrode surfaces are generally coated with electronically insulating solid films of thickness 1-50 nm. Both electrons and Li+ can move at the electrode-surface film interface in response to the voltage, which adds complexity to…

Materials Science · Physics 2015-07-10 Kevin Leung , Andrew Leenheer

The complex interplay between several active degrees of freedom (charge, lattice, orbtial and spin order) is thought to determine the electronic properties of many oxides, but the respective role of the various contributions is often…

Strongly Correlated Electrons · Physics 2014-07-07 Vance R. Morrison , Robert P. Chatelain , Kunal L. Tiwari , Ali Hendaoui , Andrew Bruhacs , Mohamed Chaker , Bradley J. Siwick

Topological materials are often associated with exceptional thermoelectric properties. Orthorhombic BaMnSb2 is a topological semimetal consisting of alternating layers of Ba, Sb, and MnSb. A recent experiment demonstrates that BaMnSb2 has a…

Materials Science · Physics 2024-03-05 Yubi Chen , Rongying Jin , Bolin Liao , Sai Mu

Van der Waals (vdW) heterostructures have attracted intense interest worldwide as they offer several routes to design materials with novel features and wide-ranging applications. Unfortunately, at present, vdW heterostructures are…

Computational Physics · Physics 2024-05-14 Amreen Bano , Dan T Major

The temperature-induced structural and electronic transformation in VO$_2$ between the monoclinic M1 and tetragonal rutile phases was studied by means of \textit{ab initio} molecular dynamics, based on density functional theory with Hubbard…

Materials Science · Physics 2017-10-11 Dušan Plašienka , Roman Martoňák , Marcus C. Newton

Aiming to simulate the radiation damage effect on a dual alpha+beta phase Ti-6Al-4V alloy utilized as high-intensity accelerator beam window material, a series of irradiation experiments were conducted with a 2.8 MeV-Fe^2+ ion beam in…

Materials Science · Physics 2024-09-04 Taku Ishida , Sho Kano , Eiichi Wakai , Tamaki Shibayama , Shunsuke Makimura , Hiroaki Abe

The development of high-power density vanadium redox flow batteries (VRFBs) with high energy efficiencies (EEs) is crucial for the widespread dissemination of this energy storage technology. In this work, we report the production of novel…

We apply reduced density-matrix functional theory to the parabolically confined quantum Hall droplet in the spin-frozen strong magnetic field regime. One-body reduced density matrix functional method performs remarkably well in obtaining…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 E. Tölö , A. Harju