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Related papers: Single Atom Substituents in Copper Surfaces May Ad…

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Co single atom junctions on copper surfaces are studied by scanning tunneling microscopy and ab-initio calculations. The Kondo temperature of single cobalt atoms on the Cu(111) surface has been measured at various tip-sample distances…

Controlling the redox landscape of transition metal oxides is central to advancing their reactivity for heterogeneous catalysis or high-performance gas sensing. Here we report single Cu atom sites (1.42 wt%) anchored on Co3O4 nanoparticles…

Materials Science · Physics 2025-06-12 Hamin Shin , Matteo D'Andria , Jaehyun Ko , Dong-Ha Kim , Frank Krumeich , Andreas T. Guentner

We report on a combined scanning tunneling microscopy (STM) and density functional theory (DFT) based investigation of Co atoms on Ge(111)2x1 surfaces. When deposited on cold surfaces, individual Co atoms have a limited diffusivity on the…

Materials Science · Physics 2012-03-14 D. A. Muzychenko , K. Schouteden , M. Houssa , S. V. Savinov , C. Van Haesendonck

Dissociation of CO$_2$ on copper surfaces, a model system for understanding the elementary steps in catalytic conversion of CO$_2$ to methanol has been extensively studied in the past. It is thought to be reasonably well-understood from…

Chemical Physics · Physics 2024-01-30 Saurabh Kumar Singh , Pranav R. Shirhatti

Effect of Co substitution on Mn$_3$Ga is investigated using first-principles study for structural and magnetic properties. Without Co, ferrimagnetic Heusler compound Mn3Ga is in tetragonal phase. With Co substitution, depending on Co…

Materials Science · Physics 2023-03-22 Quynh Anh T. Nguyen , Thi H. Ho , Myung-Hwa Jung , Sonny H. Rhim

Many ordered adlayer structures have been reported for CO on the (100) surfaces of Pt, Rh, Pd, Ni and Cu. Also, some ordered structures are known for NO on the same surfaces. The current review includes all those articles that give a…

Materials Science · Physics 2009-06-15 C. G. M. Hermse

The structure of CO adsorbates on the Rh(110) surface is studied at full coverage using first-principles techniques. The relative energies of different adsorbate geometries are determined by means of accurate structure optimizations. In…

Materials Science · Physics 2009-10-28 Dario Alfe' , Stefano Baroni

A recent experimental study showed that, distorting a CoPc molecule adsorbed on a Au(111) surface, a Kondo effect is induced with a temperature higher than 200 K. We examine a model in which an atom with strong Coulomb repulsion (Co) is…

Strongly Correlated Electrons · Physics 2009-11-11 G. Chiappe , E. Louis

Carbon capture is vital for decarbonizing heavy industries such as steel and chemicals. Metal-organic frameworks (MOFs), with their high surface area and structural tunability, are promising materials for CO2 capture. This study focuses on…

Infrared reflection absorption spectroscopy (IRAS) offers a powerful route to bridging the materials and pressure gaps between surface science and powder catalysis. Using a newly developed IRAS setup optimised for dielectric single…

First-principles calculations have been performed to study the effects of adsorbates (CO molecules and O atoms) and defects on electronic structures and transport properties of Au nanotubes (Au(5, 3) and Au(5, 5)). For CO adsorption,…

Mesoscale and Nanoscale Physics · Physics 2011-08-04 Yongqing Cai , Miao Zhou , Minggang Zeng , Chun Zhang , Yuan Ping Feng

A comprehensive first-principles study of the energetics, electronic and magnetic properties of Co-doped GaN(0001) thin films are presented and the effect of surface structure on the magnetic coupling between Co atoms is demonstrated. It is…

Computational Physics · Physics 2014-12-12 Zhenzhen Qin , Zhihua Xiong , Guangzhao Qin , Lanli Chen

CO$_2$ capture using carbon-based materials, particularly graphene and graphene-like materials, is a promising strategy to deal with CO$_2$ emissions. However, significant gaps remain in our understanding of the molecular-level interaction…

Metallic bismuth is both non-toxic and cost-effective. Bi-based catalysts have demonstrated the ability to efficiently produce HCOOH through CO2RR while effectively inhibiting the HER. Although many experiments have been reported concerning…

Chemical Physics · Physics 2024-09-19 Mengting Zhou , Hongxia Liu , Juntao Yan , Qingjun Chen , Rong Chen , Lei Liu

The adsorption of carbon monoxide on neutral iridium clusters in the size range of n = 3 to 21 atoms is investigated with infrared multiple photon dissociation spectroscopy. For each cluster size only a single v(CO) band is present with…

Chemical Physics · Physics 2011-10-05 Christian Kerpal , Daniel J. Harding , Gerard Meijer , André Fielicke

Despite the experimental successes of Scanning Tunneling Microscopy (STM) and the interest in more complex magnetic nanostructures, our present understanding and theoretical description of STM spectra of magnetic adatoms is mainly…

Strongly Correlated Electrons · Physics 2009-11-13 Jaime Merino , Laszlo Borda , Pascal Simon

The design of catalysts with desired chemical and thermal properties is viewed as a grand challenge for scientists and engineers. For operation at high temperatures, stability against structural transformations is a key requirement.…

The article reviews recent progress in the theoretical understanding of near-field surface electromagnetic phenomena in pristine and atomically doped carbon nanotubes. The phenomena involving strong coupling effects are outlined. They are…

Mesoscale and Nanoscale Physics · Physics 2010-11-01 I. V. Bondarev

In an interesting new experiment the electronic structure of a magnetic atom adsorbed on the surface of Cu(111), observed by STM, was projected into a remote location on the same surface. The purpose of the present paper is to interpret…

Condensed Matter · Physics 2009-10-31 Mariana Weissmann , H. Bonadeo

The effect of hydrogen adsorption on the magnetic properties of an Fe$_3$ cluster immersed in a Cu(111) surface has been calculated using densifty functional theory and the results used to parametrize an Alexander-Anderson model which takes…

Mesoscale and Nanoscale Physics · Physics 2013-12-16 Pavel F. Bessarab , Valery M. Uzdin , Hannes Jónsson
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