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Related papers: Ag adatoms on Si(111)5x2-Au surface

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Chemisorption of CO on the stepped Cu(211) surface is studied within ab-initio density functional theory (DFT) and scanning tunneling microscopy (STM) imaging as well as manipulation experiments. Theoretically we focus on the experimentally…

Materials Science · Physics 2009-11-10 Marek Gajdos , Andreas Eichler , Jurgen Hafner , Gerhard Meyer , Karl-Heinz Rieder

The density of two-dimensional Ag adatom gases on W(110) is determined by monitoring local electron reflectivity using low energy electron microscopy (LEEM). This method of adatom concentration measurement can detect changes in adatom…

Materials Science · Physics 2007-05-23 J. de la Figuera , N. C. Bartelt , K. F. McCarty

Nowadays, electrochemical reduction of CO$_2$ has been considered as an effective method to solve the problem of global warming. The primary challenge in studying the mechanism is to determine the adsorption states of CO$_2$, since…

Chemical Physics · Physics 2020-07-03 Shuai Guo , Yao Li , Lei Liu , Xiangping Zhang , Suojiang Zhang

The structural and vibrational properties of metal-organic interfaces have been examined by means of infrared (IR) absorption spectroscopy and density functional theory (DFT) with an approach accounting for long-range dispersive…

Mesoscale and Nanoscale Physics · Physics 2018-08-29 N. L. Zaitsev , P. Jakob , R. Tonner

In {\delta}-Ag2/3V2O5 with charge degrees of freedom in V, it is known that the charge ordering state and physical properties of V that appear at low temperatures depend strongly on the ordering state of Ag. In this study, we focused on the…

Strongly Correlated Electrons · Physics 2024-03-13 T. Kubo , K. Kojima , N. Katayama , T. Runčevski , R. E. Dinnebier , A. S. Gibbs , M. Isobe , H. Sawa

The atomic structure of well-ordered single steps on the Si(111)-\sqrt{3}\times\sqrt{3}-Sn surface and the dynamics of Sn adatoms in the vicinity of these steps was studied. The work was performed using low-temperature scanning tunneling…

Materials Science · Physics 2021-09-29 R. A. Zhachuk , D. I. Rogilo , A. S. Petrov , D. V. Sheglov , A. V. Latyshev , S. Colonna , F. Ronci

We investigated the stable silicon (113) surface with a 3x2ADI reconstruction by ab-initio methods. The ground state properties have been obtained using the density-functional theory. We present the dispersion of the electronic band…

Materials Science · Physics 2009-11-11 Katalin Gaal-Nagy , Giovanni Onida

We characterized CO2 adsorption and diffusion on the missing row reconstructed Cu(100)-O surface using a combination of scanning tunneling microscopy (STM) and density functional theory (DFT) calculations with dispersion. We deposited CO2…

Mesoscale and Nanoscale Physics · Physics 2020-07-14 Steven J. Tjung , Qiang Zhang , Jacob J. Repicky , Simuck F. Yuk , Xiaowa Nie , Nancy M. Santagata , Aravind Asthagiri , Jay A. Gupta

We performed Scanning Tunneling Microscopy and Spectroscopy (STM/STS) measurements to investigate the Zintl phase Eu$_5$In$_2$Sb$_6$, a non-symmorphic antiferromagnet. The theoretical prediction of a non-trivial Fermi surface topology…

Strongly Correlated Electrons · Physics 2023-11-15 M. Victoria Ale Crivillero , Sahana Rößler , Priscila F. S. Rosa , J. Müller , U. K. Rößler , S. Wirth

The growth morphology of clean silver exhibits a profound anisotropy: The growing surface of Ag(111) is typically very rough while that of Ag(100) is smooth and flat. This serious and important difference is unexpected, not understood, and…

mtrl-th · Physics 2009-10-30 Byung Deok Yu , Matthias Scheffler

As a recent successfully exfoliated non van der Waals layered material, AgCrS2 has received a lot of attentions. Motivated by its structure related magnetic and ferroelectric behavior, a theoretical study on its exfoliated monolayer AgCr2S4…

Materials Science · Physics 2023-04-14 Ranran Li , Yu Wang , Ning Ding , Shuai Dong , Ming An

The tensile strained Si(111) layers grown on top of Ge(111) substrates are studied by combining scanning tunneling microscopy, low energy electron diffraction and first-principles calculations. It is shown that the layers exhibit c(2x4)…

Materials Science · Physics 2017-09-04 R. Zhachuk , J. Coutinho , A. Dolbak , V. Cherepanov , B. Voigtländer

We study sub-surface arsenic dopants in a hydrogen terminated Si(001) sample at 77 K, using scanning tunnelling microscopy and spectroscopy. We observe a number of different dopant related features that fall into two classes, which we call…

Honeycomb bismuthene structures on Ag(111) were investigated using low-energy electron diffraction (LEED) and density functional theory. LEED I(V) analysis revealed that 0.5 monolayer (ML) of Bi forms an ultraflat honeycomb lattice with…

Materials Science · Physics 2026-02-11 Ziyong Zhang , Xiaobin Chen , Takeshi Nakagawa

We have used Low Energy Electron Diffraction (LEED) I-V analysis and ab initio calculations to quantitatively determine the honeycomb chain model structure for the Si(111)-3x2-Sm surface. This structure and a similar 3x1 recontruction have…

Materials Science · Physics 2009-11-13 C. Eames , M. I. J. Probert , S. P. Tear

Calculations of the potential energy surface for tracer Ga and In adatoms above three GaAs (111)A surface reconstructions are presented in order to understand the growth conditions required to form axial heterostructures in GaAs/InGaAs…

Materials Science · Physics 2011-02-11 J. N. Shapiro , D. L. Huffaker , C. Ratsch

Atomic and electronic structures of TiO_2(110) surface with possible adsorptional, substitutional and interstitial Au or Pt elemental impurities at full and one-sixth monolayer concentrations were investigated by density functional theory…

Strongly Correlated Electrons · Physics 2012-11-19 Ersen Mete , Oğuz Gülseren , Şinasi Ellialtıoğlu

Silicene, a counterpart of graphene, has achieved rapid development due to its exotic electronic properties and excellent compatibility with the mature silicon-based semiconductor technology. Its low room-temperature mobility of about 100…

Materials Science · Physics 2015-12-31 Hongsheng Liu , Haifeng Feng , Yi Du , Jian Chen , Kehui Wu , Jijun Zhao

Molecular materials enable a vast variety of functionalities for novel electronic and spintronic devices. The unique possibility to alter or substitute organic molecules or metallic substrates offers the opportunity to modify and optimize…

Mesoscale and Nanoscale Physics · Physics 2020-09-02 Johannes Seidel , Leah L. Kelly , Markus Franke , Christian Kumpf , Mirko Cinchetti , Martin Aeschlimann , Benjamin Stadtmüller

As-rich GaAs (001) surfaces are successfully observed during As4-irradition by a system in which scanning tunneling microscopy (STM) and molecular beam epitaxy can be performed simultaneously. With a substrate temperature of 440 C and an…