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Objective of this work was to synthesize Copper doped Zinc Oxide (CZO) films and optimization of process parameters by varying molarity of zinc acetate dehydrate from 0.5 M to 1.0 M, concentration of copper acetate monohydrate from 1% to 5…

Grain boundary sliding is typically associated with high temperature deformation in engineering alloys. Here, we examine grain boundary sliding at room temperature in oxygen-free high-conductivity copper under quasi-static tensile testing.…

Materials Science · Physics 2026-04-30 Benjamin Poole , David Lunt , Luke Hewitt , Chris Hardie

The effect of pulsed laser polishing on rough niobium surfaces was investigated. We created different well-defined roughness profiles with standard emery papers and subsequently remelted random surface areas with a size of about 2x2 mm^2…

Applied Physics · Physics 2020-10-06 V. Porshyn , P. Rothweiler , D. Lützenkirchen-Hecht

The oxidation of the Pd(100) surface at oxygen pressures in the 10^-6 to 10^3 mbar range and temperatures up to 1000 K has been studied in-situ by surface x-ray diffraction (SXRD). The results provide direct structural information on the…

An upper bound to the roughening temperature of a close-packed singular surface, fcc Al (111), is obtained via free energy calculations based on thermodynamic integration using the embedded-atom interaction model. Roughening of Al (111) is…

Materials Science · Physics 2009-10-31 F. Trudu , V. Fiorentini , P. Ruggerone , U. Hansen

In this research, wettability control by area fraction of laser ablated surface of copper is presented. The functional surfaces with full wettability control from highly hydrophilic to super-hydrophobic were created on copper by nanosecond…

Based on the experimental observation, that only the close vicinity of a magnetic impurity at metal surfaces determines its Kondo behaviour, we introduce a simple model which explains the Kondo temperatures observed for cobalt adatoms at…

Strongly Correlated Electrons · Physics 2009-11-10 P. Wahl , L. Diekhöner , M. A. Schneider , L. Vitali , G. Wittich , K. Kern

In this paper, oxidation of Cu during physical sputtering deposition in a high purity and low pressure Ar atmosphere without introducing O2 gas flow was studied systemically. It was found that various flexible Cu-based films could be…

Materials Science · Physics 2017-07-31 Jiangbin Su , Yang Liu , Meiping Jiang , Xianfang Zhu

We report electron microscopy observations of the surface plastic flow in polishing of rough metal surfaces with a controlled spherical asperity structure. We show that asperity--abrasive sliding contacts exhibit viscous behavior, where the…

Materials Science · Physics 2017-04-03 Ashif S. Iquebal , Dinakar Sagapuram , Satish Bukkapatnam

The high-temperature properties of the Al(111) surface are studied by molecular-dynamics simulation. This surface does not melt below the bulk melting point, but can be superheated. Superheating of metal surfaces has been recently observed…

Materials Science · Physics 2009-10-30 G. Bilalbegovic

$Ar^+$ ion has been used regularly for the cleaning of semiconductor, metal surfaces for epitaxial nanostructures growth. We have investigated the effect of low-energy $Ar^+$ ion sputtering and subsequent annealing on the…

Materials Science · Physics 2025-05-19 Jagadish Chandra Mahato , Anupam Roy , Rajib Batabyal , Debolina Das , Rahul Gorain , Tuya Dey , B. N. Dev

We employ a multiscale modeling approach to study the surface structure and composition of a Pd(100) model catalyst in reactive environments. Under gas phase conditions representative of technological CO oxidation (~1 atm, 300-600 K) we…

Materials Science · Physics 2007-05-23 Jutta Rogal , Karsten Reuter , Matthias Scheffler

We investigate the correlation between surface roughness and corresponding $T_2$ times of nearsurface nitrogen-vacancy centers (~7 nm/ 5 keV implantation energy) in diamond. For this purpose we compare five different polishing techniques,…

Mesoscale and Nanoscale Physics · Physics 2018-01-11 G. Braunbeck , S. Mandal , M. Touge , O. A. Williams , F. Reinhard

Copper and hydrogen are among the most common elements that are widely used in industrial and fundamental research applications. Copper surfaces are often exposed to hydrogen in the form of charged ions. The hydrogen ions can accelerate…

Magnetism of a very thin antiferromagnetic (AFM) surface CuO has been investigated with the partially oxidized nanocomposites of Cu-CuCl, ~ 200 nm. The samples are characterized by X-ray diffraction, X-ray photoelectron spectroscopy,…

Materials Science · Physics 2009-11-11 Qi Li , Shi-Wei Zhang , Yan Zhang , Chinping Chen

The dynamics of the release of stored energy during annealing along two different crystallographic planes i.e.{111} and {220} in deformed copper have been investigated using in-situ X-ray diffraction measurements at 458K and 473K…

Materials Science · Physics 2016-10-12 S. Dey , N. Gayathri , M. Bhattacharya , P. Mukherjee

Effects of steel alloying elements on the formation of the surface oxide layer of hot-dip galvanized press hardened steel after austenitization annealing were examined with various advanced microscopy and spectroscopy techniques. The main…

The possible formation of oxides or thin oxide films (surface oxides) on late transition metal surfaces is recently being recognized as an essential ingredient when aiming to understand catalytic oxidation reactions under technologically…

Materials Science · Physics 2009-11-13 Jutta Rogal , Karsten Reuter , Matthias Scheffler

We present measurements of hard x-rays in the 50-300 keV range from copper plasmas produced by 100 fs, 806 nm laser pulses at a peak intensity ~ 1016 W cm-2. Surface roughness, even at the tens of nanometer level, is shown to influence the…

Plasma Physics · Physics 2009-11-07 P. P. Rajeev , G. Ravindra Kumar

Chemical modifications such as intercalation can be used to modify surface properties or to further functionalize the surface states of topological insulators. Using ambient pressure X-ray photoelectron spectroscopy, we report copper…