English
Related papers

Related papers: Building the Chessboard-like Supramolecular Struct…

200 papers

We report the results of molecular dynamics simulations of the properties of a pseudo-atom model of dodecane thiol ligated 5-nm diameter gold nanoparticles (AuNP) in vacuum as a function of ligand coverage and particle separation in three…

Chemical Physics · Physics 2019-02-20 Christopher Liepold , Alex Smith , Binhua Lin , Juan de Pablo , Stuart A. Rice

Density functional calculations with a large unit cell have been conducted to investigate adsorption, segregation and magnetization of Mn monomer on GaAs(110). The Mn adatom is rather mobile along the trench on GaAs(110), with an energy…

Statistical Mechanics · Physics 2009-11-11 J. X. Cao , X. G. Gong , R. Q. Wu

State-of-the-art first principles calculations based on density functional theory were performed on CH_3(CH_2)_{n-1}S-Au(111) systems. We show that the adsorption site of methylthiolate at low coverage on the Au(111) surface is the fcc…

Materials Science · Physics 2016-08-31 Y. Yourdshahyan , H. K. Zhang , A. M. Rappe

It is shown that lines of adsorbed hydrogen pair atoms divide the graphene sheet into strips and form hydrogen-based superlattice structures (2HG-SL). We show that the forming of 2HG-SL drastically changes the electronic properties of…

Materials Science · Physics 2009-11-13 Leonid A. Chernozatonskii , Pavel B. Sorokin , Jochen W. Bruning

Potassium-doped terphenyl has recently attracted attention as a potential host for high-transition-temperature superconductivity. Here, we elucidate the many-body electronic structure of recently synthesized potassium-doped terphenyl…

Strongly Correlated Electrons · Physics 2022-05-03 John Sous , Natalia A. Gadjieva , Colin Nuckolls , David R. Reichman , Andrew J. Millis

The interface between the tetrathiafulvalene / tetracyanoquinodimethane (TTFTCNQ) organic blend and the Au(111) metal surface is analyzed by Density Functional Theory calculations, including the effect of the charging energies on the…

Materials Science · Physics 2013-07-12 Jose Ignacio Martinez , Enrique Abad , Juan Beltran , Fernando Flores , Jose Ortega

We have performed ab initio electronic structure calculations of C and S adsorption on two vicinal surfaces of Pd with different terrace geometry and width. We find both adsorbates to induce a significant perturbation of the surface…

Materials Science · Physics 2009-11-11 Faisal Mehmood , Sergey Stolbov , Talat S. Rahman

When two or more atoms bind to a solid surface, the substrate can mediate an interaction between them. In this paper, we use density-functional theory to quantify the substrate-mediated pair interaction between two adatoms on a…

Materials Science · Physics 2007-05-23 Kristen A. Fichthorn , Matthias Scheffler

Recently the oxygen-reconstructed tantalum surface Ta(001)-p(3$\times$3)-O has experienced considerable attention due its use as a potential platform for Majorana physics in adatom chains. Experimental studies using scanning tunneling…

Mesoscale and Nanoscale Physics · Physics 2019-10-02 R. Mozara , A. Kamlapure , M. Valentyuk , L. Cornils , A. I. Lichtenstein , J. Wiebe , R. Wiesendanger

Using the relativistic all-electron density-functional calculations on the AuN (N=2-26) in the generalized gradient approximation, combined with the guided simulated annealing, we have found that the two- to three-dimensional structural…

Materials Science · Physics 2007-05-23 Wei Fa , Chuanfu Luo , Jinming Dong

Most chemical processes, such as distillation, absorption, extraction, and catalytic reactions, are extremely complex processes that are affected by multiple factors. The relationships between their input variables and output variables are…

Systems and Control · Electrical Eng. & Systems 2021-10-19 Li Sun , Fei Liang , Wutai Cui

Using scanning tunneling microscopy together with the first-principles density functional theory calculations we study structural properties of the Si(111)5x2-Au surface covered by Ag adatoms. The STM topography data show that a…

Mesoscale and Nanoscale Physics · Physics 2014-10-09 A. Stepniak , M. Krawiec , M. Jalochowski

Evolutionary structure searches revealed a plethora of stable and low-enthalpy metastable phases in the S-P-H ternary phase diagram under pressure. A wide variety of crystalline structure types were uncovered ranging from those possessing…

Superconductivity · Physics 2022-05-04 Nisha Geng , Tiange Bi , Eva Zurek

The synthesis, infra-red, Raman and NMR spectra and crystal structure of 2, 4, 4- trimethyl-4, 5- dihydro-3H-benzo[b] [1, 4] diazepin-1-ium tetrachlorocadmate, [C12H17N2]2CdCl4 and benzene-1,2-diaminium decachlorotricadmate(II)…

Materials Science · Physics 2008-05-22 Iskandar Chaabane , Faouzi Hlel , Kamel Guidara

Subtle changes in chemical bonds may result in dramatic revolutions in magnetic properties in solid state materials. MnPt5P, a new derivative of the rare-earth-free ferromagnetic MnPt5As, was discovered and is presented in this work. MnPt5P…

Materials Science · Physics 2020-06-23 Xin Gui , Ryan A. Klein , Craig M. Brown , Weiwei Xie

Recently, deep generative models for molecular graphs are gaining more and more attention in the field of de novo drug design. A variety of models have been developed to generate topological structures of drug-like molecules, but…

Quantitative Methods · Quantitative Biology 2021-09-16 Yibo Li , Jianfeng Pei , Luhua Lai

A new frontier in condensed matter physics is to stack atomically thin layered-materials with different properties and create intriguing phenomena which do not exist in any of the constituent layers. Transition metal dichalcogenide…

We investigate the structure of mixed thin films composed of pentacene (PEN) and diindenoperylene (DIP) using X-ray reflectivity and grazing incidence X-ray diffraction. For equimolar mixtures we observe vanishing in-plane order coexisting…

Soft Condensed Matter · Physics 2015-06-11 A. Aufderheide , K. Broch , J. Novak , A. Hinderhofer , R. Nervo , A. Gerlach , R. Banerjee , F. Schreiber

Topological semimetals such as Weyl or Dirac semimetals with superconductivity have emerged as a new class of topological materials to realize and study Majorana Fermion. This article reports the Density Functional Theory (DFT) calculated…

Superconductivity · Physics 2022-09-13 N. K. Karn , M. M. Sharma , V. P. S. Awana

Here we present a structural study of pentacene (Pn) thin films on vicinal Ag(111) surfaces by He atom diffraction measurements and density functional theory (DFT) calculations supplemented with van der Waals (vdW) interactions. Our He atom…

Strongly Correlated Electrons · Physics 2012-11-19 E. Mete , I. Demiroglu , E. Albayrak , G. Bracco , S. Ellialtioglu , M. F. Danisman