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Silicon nanocrystals with diameters between 1 and 3 nm and surfaces passivated by chlorine or a mixture of chlorine and hydrogen were modeled using density functional theory, and their properties compared with those of fully hydrogenated…

介观与纳米尺度物理 · 物理学 2013-11-06 A. Carvalho , S. Öberg , M. J. Rayson , P. R. Briddon

The paper addresses counterintuitive behavior of electrons injected into dense cryogenic media with negative scattering length $a_0$. Instead of expected polaronic effect (formation of density enhancement clusters) which should…

原子与分子团簇 · 物理学 2009-11-13 S. Nazin , V. Shikin

Research in two-dimensional (2D) materials has experienced rapid growth in the past few years. In particular, various layered compounds exhibiting quantum phenomena, such as superconductivity and magnetism, have been isolated in atomically…

材料科学 · 物理学 2019-07-17 Hyun Ho Kim , Adam W. Tsen

Nanoscrolls consist of sheets rolled up into a papyrus-like form. Their open ends produce great radial flexibility, which can be exploited for a large variety of applications, from actuators to hydrogen storage. They have been successfully…

介观与纳米尺度物理 · 物理学 2015-06-02 Eric Perim , Douglas S. Galvao

We concentrate here on photon absorption as well as electron and positron scattering upon endohedrals that consist of a fullerenes shell and an inner atom A. The aim is to understand the effect of fullerene electron shell in formation of…

原子与分子团簇 · 物理学 2018-02-12 M. Ya. Amusia , A. F. Ioffe

Understanding the electrodes' surface morphology influence on the ions' distribution is essential for designing the supercapacitors with enhanced energy density characteristics. We develop a model for the structure of electrolytes near the…

统计力学 · 物理学 2021-06-30 Timur Aslyamov , Konstantin Sinkov , Iskander Akhatov

Electrons in solids are characterized by the energy bands, which indicate that electrons are considered to be "elementary particles" with specific effective masses and g-factors reflecting features of each solid. There are cases where these…

介观与纳米尺度物理 · 物理学 2015-05-27 Hidetoshi Fukuyama , Akito Kobayashi , Yoshikazu Suzumura

We investigate the electronic properties of sculpturenes, formed by sculpting selected shapes from bilayer graphene, boron-nitride or graphene-boron-nitride hetero-bilayers and allowing the shapes to spontaneously reconstruct. The simplest…

介观与纳米尺度物理 · 物理学 2015-09-04 L. Algharagholy , T. Pope , S. W. D. Bailey. , C. J. Lambert

Based on first-principles calculation we predict two new thermodynamically stable layered-phases of silicon, named as silicites, which exhibit strong directionality in the electronic and structural properties. As compared to silicon…

介观与纳米尺度物理 · 物理学 2014-10-01 Seymur Cahangirov , V. Ongun Ozcelik , Angel Rubio , Salim Ciraci

CrI3 is a two-dimensional ferromagnetic van der Waals material with a charge gap of 1.1-1.2 eV. In this study, the electronic structure and magnetism of CrI3 are investigated by using density functional theory and dynamical mean-field…

强关联电子 · 物理学 2022-04-27 Tianye Yu , Rui Liu , Huican Mao , Xiaobo Ma , Guangwei Wang , Zhihong Yuan , Pengyu Zheng , Yiran Peng , Zhiping Yin

Chromium tri-halides Cr$X_3$ ($X$ = Cl, Br, and I) have recently become a focal point of research due to their intriguing low-temperature,layer-dependent magnetism that can be manipulated by an electric field. This makes them essential…

We report on optical reflectivity experiments performed on Cd3As2 over a broad range of photon energies and magnetic fields. The observed response clearly indicates the presence of 3D massless charge carriers. The specific cyclotron…

Electrons floating on the surface of superfluid helium have been suggested as promising mobile spin qubits. Three micron wide channels fabricated with standard silicon processing are filled with superfluid helium by capillary action.…

介观与纳米尺度物理 · 物理学 2015-05-30 Maika Takita , F. R. Bradbury , T. M. Gurrieri , K. J. Wilkel , Kevin Eng , M. S. Carroll , S. A. Lyon

Understanding the nature of solvated electrons is important in studying a range of chemical and biological phenomena. This study investigates the structural and dynamical behavior of an excess electron in water, examining different…

计算物理 · 物理学 2025-06-10 Ritama Kar , Nisanth N. Nair

Density functional theory (DFT) is used to rationalize magnetic parameters of hydrated electron trapped in alkaline glasses as observed using Electron Paramagnetic Resonance (EPR) and Electron Spin Echo Envelope Modulation (ESEEM)…

综合物理 · 物理学 2016-09-28 I. A. Shkrob

The problem of interacting electrons moving under the influence of a strong magnetic field in two dimensions on a finite disk is reconsidered. First, the results of exact diagonalizations for up to $N=9$ electrons for Coulomb as well as for…

凝聚态物理 · 物理学 2009-10-22 M. Kasner , W. Apel

Saturation magnetization values close to the bulk have been reported for coated magnetite nanoparticles with organic acids. The mechanism of this effect is not yet understood. Here we show that a previously proposed rationalization in Nano…

材料科学 · 物理学 2022-01-05 Enrico Bianchetti , Cristiana Di Valentin

We suggest that it might be possible to trap the electron in a cavity of a macrocycle molecule, in the same way this trapping occurs cooperatively, by several solvent molecules, in hydroxylic liquids. Such an encapsulated electron is a…

化学物理 · 物理学 2015-06-26 Ilya A. Shkrob , John A. Schlueter

In this paper we describe the electrons of the 1D Hubbard model by a fluid of unpaired rotated electrons and a fluid of zero-spin rotated-electron pairs. The rotated electrons are related to the original electrons by a mere unitary…

强关联电子 · 物理学 2009-11-10 J. M. P. Carmelo , J. M. Roman , K. Penc

Filling the large voids in the crystal structure of the skutterudite CoSb$_3$ with rattler atoms $R$ provides an avenue for both increasing carrier concentration and disrupting lattice heat transport, leading to impressive thermoelectric…

材料科学 · 物理学 2020-07-17 Eric B. Isaacs , Chris Wolverton
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