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The optical properties of vanadium dioxide ($VO_2$) can be tuned via metal-insulator transition. In this work different types of one-dimensional photonic structure-based microcavities that embed vanadium dioxide have been studied in the…

Optics · Physics 2022-08-30 Francesco Scotognella

The recent discovery of superconductivity in La3Ni2O7-{\delta} under high pressure with a transition temperature around 80 K has sparked extensive experimental and theoretical efforts. Several key questions regarding the pairing mechanism…

Superconductivity · Physics 2024-07-26 Zehao Dong , Mengwu Huo , Jie Li , Jingyuan Li , Pengcheng Li , Hualei Sun , Yi Lu , Meng Wang , Yayu Wang , Zhen Chen

La$_2$NiO$_4$ is a very promising cathode material for intermediate and low temperature solid oxide cell applications, due to its good electronic and ionic conductivity, together with its high oxygen exchange activity with a low activation…

We report on the electrostatic complexation between oppositely charged polymers and inorganic nanoparticles investigated by static and dynamical light scattering. The nanoparticles put under scrutiny were citrate-coated nanocrystals of…

Soft Condensed Matter · Physics 2007-09-10 J. -F. Berret

Two-dimensional (2D) materials assembled into van der Waals (vdW) heterostructures contain unlimited combinations of mechanical, optical, and electrical properties that can be harnessed for potential device applications. Critically, these…

Applied Physics · Physics 2022-12-13 Tara Peña , Jewel Holt , Arfan Sewaket , Stephen M. Wu

The work functions of 7Li and 6Li metals have been measured as a function of temperature, by using photoionization of pure isolated metal nanoparticles in a beam. These data reveal a marked isotope effect in the temperature variation of…

Mesoscale and Nanoscale Physics · Physics 2026-02-18 Atef A. Sheekhoon , Abdelrahman O. Haridy , Vitaly V. Kresin

Because final properties of nanoscale polymeric structures are largely determined by the solid-state microstructure of the confined polymer, it is imperative not only to understand how the microstructure of polymers develops under nanoscale…

Vanadium silicide, V$_3$Si, is a promising superconductor for silicon-based superconducting (SC) devices due to its compatibility with silicon substrates and its potential for integration into existing semiconductor technologies. However,…

Water plays a crucial role in geological, biological, and technological processes. Nanoscale water confinement occurs in many of these settings, including sedimentary rocks, water channel proteins, and applications like desalination and…

Bi2Se3 and Bi2Te3 are layered compounds of technological importance, being excellent thermoelectric materials as well as topological insulators. We report density functional theory calculations of the atomic, electronic and thermoelectric…

Materials Science · Physics 2013-08-08 Xin Luo , Michael B. Sullivan , Su Ying Quek

Quantum interference can produce a pivotal effective photon-photon interaction, enabling the exploration of various quantum information technologies that beyond the possibilities of classical physics. While such an effective interaction is…

Quantum Physics · Physics 2025-10-21 Chaojie Wang , Xutong Li , Xiuyi Ma , Yuning Zhang , Meng Wu , Weifang Lu , Yuanyuan Chen , Xiubao Sui , Lixiang Chen

The structural and electronic properties of small scandium oxide clusters ScnOm (n = 1 - 3, m = 1 - 2n) are systematically studied within the screened hybrid density functional theory. It is found that the ground states of these scandium…

Atomic and Molecular Clusters · Physics 2015-03-19 Yu Yang , Haitao Liu , Ping Zhang

Nanocrystalline materials exhibit properties that can differ substantially from those of their single crystal counterparts. As such, they provide ways to enhance and optimise their functionality for devices and applications. Here we report…

The paper concerns the nanopowder high-speed, $10^4$ - $10^9$ s${}^{-1}$, compaction processes modeling by a two-dimensional granular dynamics method. Nanoparticles interaction, in addition to known contact laws, included dispersive…

Materials Science · Physics 2018-11-09 G. Sh. Boltachev , N. B. Volkov , A. V. Spirin , E. A. Chingina

A powerful technique is introduced for simulating mechanical and electromechanical properties of one-dimensional nanostructures under arbitrary combinations of bending, twisting, and stretching. The technique is based on a novel control of…

Mesoscale and Nanoscale Physics · Physics 2016-09-28 Pekka Koskinen

New calculations for vanadium dioxide, one of the most controversely discussed materials for decades, reveal that band theory as based on density functional theory is well capable of correctly describing the electronic and magnetic…

Strongly Correlated Electrons · Physics 2011-07-07 V. Eyert

Thin organic films and two-dimensional (2D) molecular assemblies on solid surfaces yield the potential for applications in molecular electronics, optoelectronics, catalysis, and sensing. These applications rely on the intrinsic electronic…

In order to control and tailor the properties of nanodots, it is essential to separate the effects of quantum confinement from those due to the surface, and to gain insight into the influence of preparation conditions on the dot physical…

Materials Science · Physics 2009-10-31 Laurent Pizzagalli , Giulia Galli , John E. Klepeis , Francois Gygi

The confinement of an ionic liquid between charged solid surfaces is treated using an exactly solvable 1D Coulomb gas model. The theory highlights the importance of two dimensionless parameters: the fugacity of the ionic liquid, and the…

Soft Condensed Matter · Physics 2014-09-08 Alpha A Lee , Dominic Vella , Susan Perkin , Alain Goriely

Optical forces in guided-wave nanostructures have recently been proposed as an effective means of mechanically actuating and tuning optical components. In this work, we study the properties of a photonic crystal optomechanical cavity…

Optics · Physics 2011-10-13 Ryan M. Camacho , Jasper Chan , Matt Eichenfield , Oskar Painter