M. E. Dávila

Instituto de Ciencia de Materiales de Madrid

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G. Le Lay

Physique des interactions ioniques et moléculaires

M. C. Asensio

Instituto de Ciencia de Materiales de Madrid

JÁ

J. Ávila

Synchrotron soleil

Leandro Olano

Instituto de Ciencia de Materiales de Madrid

I. Montero

Instituto de Ciencia de Materiales de Madrid

Lydya Aguilera

Instituto de Ciencia de Materiales de Madrid

Paola De Padova

Institute of Structure of Matter

D.P. Woodruff

University of Warwick

B. Aufray

Centre National de la Recherche Scientifique

David Raboso

European Space Research and Technology Centre

Cooperative Institutions

Centre National de la Recherche Scientifique

Instituto de Ciencia de Materiales de Madrid

Consejo Superior de Investigaciones Científicas

Universidad Autónoma de Madrid

KTH Royal Institute of Technology

National University of Singapore

Lund University

Fritz Haber Institute of the Max Planck Society

University of Warwick

Uppsala University

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Absolute Electron Emission Calibration: Round Robin Tests of Au and Polyimide

Dennison Justin Christensen Justin Dekany Clint Thomson Neal Nickles

This study presents a round robin comparison of absolute electron yields of conducting and insulating materials performed in four international laboratories. Measurements are reported for two standard elemental conducting samples with reproducible sample preparation for Au and highly oriented pyrolytic graphite (HOPG). The primary objectives of the study were to determine the consistency and uncertainties of these absolute yields measurements, and to investigate the effects of the similarities and differences of the diverse facilities. In this initial round robin study, HOPG total electron yield results were found to be more reproducible than those for Au. Surface contamination significantly affected the total electron yield, even for relatively inert conductive samples like Au and HOPG.

Pyrolytic carbon

Inert

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Citations (3)

MRS volume 24 issue 1 Front Cover (OFC, IFC) and matter

MRS Bulletin (1999)

P. A. Montano H. Ōyanagi G. L. Stephenson Jennifer Eastman A Auciello

Front cover

10.1557/s0883769400051617

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Synthesis and characterization of 2D germanene layers

M. E. Dávila G. Le Lay

Oral presentation given at the European Materials Research Society Spring Symposium, held in Lille (France) from May 2 to 6, 2016. Z. Nanomaterials. Two dimensional crystals and van der Waals heterostructures for nanoelectronics

Nanoelectronics

Germanene

Characterization

Nanomaterials

Presentation (obstetrics)

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Local Structure ofNH2onSi(100)−(2×1)and …

Physical Review Letters (1997)

N. Franco J. Ávila M. E. Dávila M. C. Asensio D.P. Woodruff

A scanned-energy mode photoelectron diffraction study of the $\mathrm{Si}(100)\ensuremath{-}(2\ifmmode\times\else\texttimes\fi{}1)$ surface with adsorbed $\mathrm{NH}{}_{2}$ provides quantitative determination of key structural parameters previously only predicted from theoretical calculations. In particular, the $\mathrm{N}$ atoms occupy off-atop sites at a dimerized surface Si atom with N-Si bond lengths of $1.73\ifmmode\pm\else\textpm\fi{}0.08\AA{}$ and bond angle relative to the surface normal of $21\ifmmode^\circ\else\textdegree\fi{}\ifmmode\pm\else\textpm\fi{}4\ifmmode^\circ\else\textdegree\fi{}$. The adsorption greatly reduces the Si dimer asymmetry relative to that of the clean surface.

10.1103/physrevlett.79.673

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New data suggests Si(111) 7x7 surface is not metallic

M. E. Dávila Jorge R. Salas Avila Ivy Colambo Darwin Barayang Putungan D.P. Woodruff

10.21203/rs.3.rs-965433/v1

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Reducing the dimensionality of novel materials: one-dimensional silicon nanoribbons

Elsevier eBooks (2019)

M. E. Dávila G. Le Lay J. Cerdá

10.1016/b978-0-12-816187-6.00008-x

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Selective coatings on solar collectors of transition metal alloys and space interactions

Isabel Montero Lydya Aguilera M. E. Dávila Leandro Olano Roberto J. Nistal

Paper presented at Symposium on Energy and Sustainability, which belongs to the XXXIV Conference of Spanish Royal Physical Society, and that took place in Valencia (Spain) during 15-19th July 2013.

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Oxidation of Ce on Si(111) studied by high-resolution photoelectron spectroscopy

Surface Science (2000)

B. Hirschauer M. Göthelid M. E. Dávila U. O. Karlsson

10.1016/s0039-6028(00)00650-6

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Surface-core-level-shift photoelectron diffraction of Yb(111) films grown on W(110)

Surface and Interface Analysis (2002)

M. E. Dávila С. Л. Молодцов C. Laubschat M. C. Asensio

Abstract Quantitative analysis of the surface relaxation of thick Yb(111) films grown on W(110) has been performed by photoelectron diffraction (PED) using high‐energy resolution Yb 4f surface core‐level‐shift photoemission spectra. Scanned PED spectra were measured by recording the intensity variation of the bulk and the surface components of the 4f 7/2 and 4f 5/2 emissions over a photon energy range 140–260 eV for different experimental geometries. Additionally, angular scans for a fixed photon energy of 150 eV were recorded in the crystal high symmetry directions. Analysis of the data set following a trial‐ and ‐error procedure confirmed that Yb grows epitaxially in an fcc structure, without surface reconstruction. The obtained bulk lattice parameter corresponds to 5.44 Å, which is ∼1% contracted with respect to the natural crystal. From the PED surface components an inward relaxation by 3.6 ± 0.3% of the outermost surface layer of Yb is obtained. Copyright © 2002 John Wiley & Sons, Ltd.

Lattice constant

Photon energy

Crystal (programming language)

10.1002/sia.1426

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Citations (2)

In Situ Magnetic-Circular-X-Ray-Dichroism Measurements: An Epitaxial Fe Wedge on Cu(100)

MRS Bulletin (1999)

M. E. Dávila D. Arvanitis J. Hunter Dunn N. Mårtensson Pankaj Srivastava

X-ray absorption spectroscopy

Linear dichroism

10.1557/s0883769400051721

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Citations (2)