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Related papers: Self-limited oxide formation in Ni(111) oxidation

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Here we report spin- and angle-resolved photoemission studies of the inert graphene layer formed on the surface of a ferromagnetic material, Ni(111). X-ray photoemission and spin-resolved spectroscopy of secondary electrons reveal that…

Materials Science · Physics 2008-06-10 Yu. S. Dedkov , M. Fonin , U. Rüdiger , C. Laubschat

We have performed x-ray photoemission spectroscopy (XPS) on thin films of (001) and (200) oriented La(0.67)Ca(0.33)MnO(3) grown on (100) and (110) SrTiO(3) substrates by off-axis sputtering. The films were examined by XPS without exposing…

Strongly Correlated Electrons · Physics 2009-10-30 P. R. Broussard , S. B. Qadri , V. C. Cestone

The present work aims at investigating the effect of laser irradiation on the tribological properties of RF-sputtered NiO thin films deposited on industrial grade aluminum substrate. A semiconductor laser based on Nd:YAG operating at its…

Applied Physics · Physics 2023-11-21 Srikanth Itapu , Vamsi Borra , Frank X. Li , Pedro Cortes , Mohit Hemanth Kumar

Orientation, structure and morphology in the early growth stages of CuO films on strontium titanate were studied by synchrotron radiation X-ray diffraction. Nanostructured CuO films were obtained by ex situ heat treatment at 970 K in oxygen…

La-Co-Ni oxides were fabricated in the form of thin-film materials libraries by combinatorial reactive co-sputtering and analyzed for structural and functional properties over large compositional ranges: normalized to the metals of the film…

Nickel/Bismuth (Ni/Bi) bilayers have recently attracted attention due to the occurrence of time-reversal symmetry breaking in the superconducting state. Here, we report on the structural, magnetic and electric characterization of thin film…

Nanoprobe X-ray diffraction (nXRD) using focused synchrotron radiation is a powerful technique to study the structural properties of individual semiconductor nanowires. However, when performing the experiment under ambient conditions, the…

La$_2$NiO$_4$ is a very promising cathode material for intermediate and low temperature solid oxide cell applications, due to its good electronic and ionic conductivity, together with its high oxygen exchange activity with a low activation…

Highly conducting $SnO_{2}$ thin films were prepared by chemical spray pyrolysis technique. One set of as-deposited films were annealed in air for 2 h at 850$^{o}$C. These as-deposited and annealed films were irradiated using $Au^{9+}$ ions…

Materials Science · Physics 2017-08-23 Sushant Gupta , Fouran Singh , Indra Sulania , B. Das

Specular reflection of neutrons on material surfaces has been demonstrated in the energy range of 0.09-0.7 eV. The results suggest that the applicable energy range of reflective neutron optics can be extended to the near-epithermal region…

This work reports a pulsed laser-assisted synthesis, detailed structural characterization, and study of plasmonic properties of three sets of TiN/TiNO thin films with high electron density. The first two sets of TiN films were grown at 600C…

Hot wall technique was used to grow block single crystal films of Bi_2Te_3 and solid solutions of Bi_(0.5)Sb_(1.5)Te_3 on mica (muscovite) substrates. X-ray diffraction studies demonstrated that the crystalline c-axis in the films was…

Materials Science · Physics 2014-12-09 L. N. Lukyanova , Yu. A. Boikov , V A Danilov , O A Usov , M P Volkov , V. A. Kutasov

Zn nanoclusters (NCs) are deposited by Low-energy cluster beam deposition technique. The mechanism of oxidation is studied by analysing their compositional and morphological evolution over a long span of time (three years) due to exposure…

Mesoscale and Nanoscale Physics · Physics 2012-10-29 A. K. Mahapatra , U. M. Bhatta , T. Som

We present experimental data on ultracold neutron (UCN) production in solid oxygen from 5 K to 50 K. The experiment used 3 cells of different dimensions in order to study the excess UCN elastic scattering in s-O$_2$ due to source density…

Nuclear Experiment · Physics 2011-03-29 C. -Y. Liu , C. M. Lavelle , D. J. Salvat , W. Fox , G. Manus , P. M. McChesney , Y. Shin , A. Couture

A new process for fabricating NiO exchange bias layers has been developed. The process involves the direct ion beam sputtering (IBS) of a NiO target. The process is simpler than other deposition techniques for producing NiO buffer layers,…

Condensed Matter · Physics 2009-10-28 Richard P. Michel , A. Chaiken , Young K. Kim , Lantz E. Johnson

Ammonia oxidation on platinum catalysts is pivotal for industrial nitric acid production and environmental abatement, yet the role of surface oxides in this process remains debated. Using operando surface X-ray diffraction (SXRD), crystal…

The growth and characterization of epitaxial Co3O4(111) films grown by oxygen plasma-assisted molecular beam epitaxy on single crystalline a-Al2O3(0001) is reported. The Co3O4(111) grows single crystalline with the epitaxial relation…

Materials Science · Physics 2010-03-09 C. A. F. Vaz , V. E. Henrich , C. H. Ahn , E. I. Altman

Thin films of laser molecular-beam epitaxy grown ZnO films were studied with respect to their optical properties. 4-K reflectivity was used to analyze various samples grown at different biaxial in-plane strain. The spectra show two…

Materials Science · Physics 2009-11-11 T. Makino , Y. Segawa , M. Kawasaki , A. Ohtomo

Thin films of the prototypical charge transfer insulator NiO appear to be a promising material for novel nanoelectronic devices. The fabrication of the material is challenging however, and mostly a p-type semiconducting phase is reported.…

Materials Science · Physics 2022-07-25 Johannes Mohr , Tyler Hennen , Daniel Bedau , Joyeeta Nag , Rainer Waser , Dirk J. Wouters

The deposition of one silicon monolayer on the silver (111) substrate in the temperature range 150-300$^\circ$C, gives rise to a mix of (4$\times$4), ($2\sqrt{3}\times 2\sqrt{3}$)R30$^\circ$ and ($\sqrt{13}\times\sqrt{13}$)R13.9$^\circ$…

Materials Science · Physics 2015-06-04 H. Jamgotchian , Y. Colignon , N. Hamzaoui , B. Ealet , J. Y. Hoarau , B. Aufray , J. P. Bibérian