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Related papers: First principles study of pentacene on Au(111)

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The atomic and electronic structures of a graphene layer on top of the $(2\times2)$ reconstruction of the SiC (000$\bar{1}$) surface are studied from ab initio calculations. At variance with the (0001) face, no C bufferlayer is found here.…

Materials Science · Physics 2015-05-13 L. Magaud , F. Hiebel , F. Varchon , P. Mallet , J. -Y. Veuillen

Surface reconstructions of Au film on Pd(110) substrate are studied using a local Einstein approximation to quasiharmonic theory with the Sutton-Chen interatomic potential. Temperature dependent surface free energies for different coverages…

Condensed Matter · Physics 2009-10-28 J. A. Nieminen

The adsorption of atomic oxygen and its inclusion into subsurface sites on Ag(210) and Ag(410) surfaces have been investigated using density functional theory. We find that--in the absence of adatoms on the first metal layer--subsurface…

Condensed Matter · Physics 2009-11-10 A. Kokalj , N. Bonini , A. Dal Corso , S. de Gironcoli , S. Baroni

The one-dimensional reconstruction of Au/Ge(001) was investigated by means of autocorrelation functions from surface x-ray diffraction (SXRD) and scanning tunneling microscopy (STM). Interatomic distances found in the SXRD-Patterson map are…

Strongly Correlated Electrons · Physics 2013-05-30 S. Meyer , T. Umbach , C. Blumenstein , J. Schäfer , R. Claessen , S. Sauer , S. J. Leake , P. R. Willmott , M. Fiedler , F. Bechstedt

Using first-principles calculations based on density-functional theory, we investigated the adsorption of pentacene molecules on monolayer two-dimensional transition metal dichalcogenides (TMD). We considered the four most popular TMDs,…

Materials Science · Physics 2023-11-13 E. Black , P. Kratzer , J. M. Morbec

The geometrical and electronic structure of tripotassium doped phenanthrene, \ce{K3C14H10}, have been studied by first-principles density functional theory. The main effect of potassium doping is to inject charge in the narrow phenanthrene…

Materials Science · Physics 2011-11-14 P. L. de Andres , A. Guijarro , J. A. Verges

The nucleation of graphene on a transition metal (TM) surface, either on a terrace or near a step edge, is systematically explored using density functional theory (DFT) calculations and applying the two-dimensional (2D) crystal nucleation…

Materials Science · Physics 2011-04-04 Junfeng Gao , Joanne Yip , Jijun Zhao , Boris I. Yakobson , Feng Ding

We have used density functional theory to study the structural stability of surface alloys. Our systems consist of a single pseudomorphic layer of $M_xN_{1-x}$ on the Ru(0001) surface, where $M$ = Fe or Co, and $N$ = Pt, Au, Ag, Cd, or Pb.…

Materials Science · Physics 2009-11-13 Madhura Marathe , Mighfar Imam , Shobhana Narasimhan

The energetics and structures of physisorbed and chemisorbed alkanethiols on Au(111) have been systematically investigated up to 10 carbon atoms using van der Waals (vdW) corrected density functional theory (DFT) calculations. The role of…

Chemical Physics · Physics 2018-03-07 Ersen Mete , Merve Yortanlı , Mehmet Fatih Danışman

The theoretical modelling of metal-organic interfaces represents a formidable challenge, especially in consideration of the delicate balance of various interaction mechanisms and the large size of involved molecular species. In the present…

Materials Science · Physics 2024-01-30 P. Jakob , N. L. Zaitsev , A. Namgalies , R. Tonner , I. A. Nechaev , F. S. Tautz , U. Höfer , D. Sanchez-Portal

We report results of density-functional theory calculations on the structural, magnetic, and electronic properties of (1x1)-structures of Co on Cu(001) for coverages up to two monolayers. In particular we discuss the tendency towards phase…

Materials Science · Physics 2009-10-31 R. Pentcheva , M. Scheffler

Halide perovskites have been extensively studied as materials of interest for optoelectronic applications. There is a major emphasis on ways to tailor the stability, defect behavior, electronic band structure, and optical absorption in…

Materials Science · Physics 2023-09-29 Jiaqi Yang , Arun Mannodi-Kanakkithodi

Results of recent density functional theory calculations for alkali metal adsorbates on close-packed metal surfaces are discussed. Single adatoms on the (111) surface of Al and Cu are studied with the self-consistent surface Green-function…

mtrl-th · Physics 2016-09-07 C. Stampfl , M. Scheffler

The reflectivity of low energy electrons from graphene on copper substrates is studied both experimentally and theoretically. Well-known oscillations in the reflectivity of electrons with energies 0 - 8 eV above the vacuum level are…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 N. Srivastava , Qin Gao , M. Widom , R. M. Feenstra , Shu Nie , K. F. McCarty , I. V. Vlassiouk

The intermetallic $\tau_{11}$ Al$_4$Fe$_{1.7}$Si phase is of interest for high-temperature structural application due to its combination of low density and high strength. We determine the crystal structure of the $\tau_{11}$ phase through a…

The morphology of epitaxial structures formed in solidification of liquid Au films on the Au(110) surface was studied by molecular dynamics simulation based on a many--body interatomic potential. The (1x2) reconstructed and smooth phase at…

mtrl-th · Physics 2009-10-28 G. Bilalbegovic

We theoretically explore the crystal structures of K$_x$picene, for which a new aromatic superconductivity has recently been discovered for $x=3$, by systematically performing first-principles full structural optimization covering the…

Superconductivity · Physics 2015-05-30 Taichi Kosugi , Takashi Miyake , Shoji Ishibashi , Ryotaro Arita , Hideo Aoki

The variation of the work function upon carbon adsorption on the reconstructed Au(110) surface is measured experimentally and compared to density functional calculations. The adsorption dynamics is simulated with ab-initio molecular…

Atomic Physics · Physics 2018-08-08 H. Z. Jooya , K. S. McKay , E. Kim , P. F. Weck , D. P. Pappas , D. A. Hite , H. R. Sadeghpour

Using density-functional theory with the local-density approximation and the generalized gradient approximation we compute the energy barriers for surface diffusion for Ag on Pt(111), Ag on one monolayer of Ag on Pt(111), and Ag on Ag(111).…

Materials Science · Physics 2009-10-30 C. Ratsch , A. P. Seitsonen , M. Scheffler

A theoretical approach for the interpretation of reflectance spectra of opal photonic crystals with fcc structure and (111) surface orientation is presented. It is based on the calculation of photonic bands and density of states…

Other Condensed Matter · Physics 2009-11-11 E. Pavarini , L. C. Andreani , C. Soci , M. Galli , F. Marabelli , D. Comoretto