Properties of oxide thin films and their adsorption behavior studied by scanning tunneling microscopy and conductance spectroscopy

N Nilius - Surface Science Reports, 2009 - Elsevier
The preparation of thin oxide films on metal supports is a versatile approach to explore the
properties of oxide materials that are otherwise inaccessible to most surface science …

Role of photoexcitation and field ionization in the measurement of accurate oxide stoichiometry by laser-assisted atom probe tomography

A Devaraj, R Colby, WP Hess, DE Perea… - The journal of …, 2013 - ACS Publications
The addition of pulsed lasers to atom probe tomography (APT) extends its high spatial and
mass resolution capability to nonconducting materials, such as oxides. For a prototypical …

STM luminescence spectroscopy of intrinsic defects in ZnO (0001) thin films

F Stavale, N Nilius, HJ Freund - The Journal of Physical Chemistry …, 2013 - ACS Publications
Luminescence spectroscopy with an STM is used to analyze the role of lattice defects in
crystalline ZnO films grown on Au (111). The films exhibit a strong band-recombination peak …

Sol–gel synthesis of highly luminescent magnesium oxide nanocrystallites

A Kumar, S Thota, S Varma, J Kumar - Journal of Luminescence, 2011 - Elsevier
An attempt has been made to prepare MgO nano-crystallites through decomposition of sol–
gel derived magnesium oxalate dihydrate in air, oxygen and nitrogen ambient at 500, 600 …

Optical surface properties and morphology of MgO and CaO nanocrystals

S Stankic, J Bernardi, O Diwald… - The Journal of Physical …, 2006 - ACS Publications
Optical absorption and photoluminescence emission properties of dehydroxylated MgO and
CaO nanocrystals are discussed with respect to particle morphology and size. On MgO …

Optical excitation of MgO nanoparticles; a computational perspective

MCC Wobbe, A Kerridge… - Physical Chemistry …, 2014 - pubs.rsc.org
The optical absorption spectra of magnesium oxide (MgO) nanoparticles, along with the
atomic centres responsible, are studied using a combination of time-dependent density …

Inside powders: A theoretical model of interfaces between MgO nanocrystallites

KP McKenna, PV Sushko… - Journal of the American …, 2007 - ACS Publications
The electron-and hole-trapping and optical properties of a wide variety of interfaces between
MgO nanocrystallites are investigated for the first time using a quantum-mechanical …

Oxygen vacancies and peroxo groups on regular and low-coordinated sites of MgO, CaO, SrO, and BaO surfaces

C Di Valentin, R Ferullo, R Binda, G Pacchioni - Surface science, 2006 - Elsevier
The formation of an oxygen vacancy and the simultaneous re-adsorption of an oxygen atom
on regular and low-coordinated (LC) sites (edges and corners) of the surface of alkaline …

Effect of protons on the optical properties of oxide nanostructures

M Müller, S Stankic, O Diwald… - Journal of the …, 2007 - ACS Publications
Site-specific functionalization of oxide nanostructures gives rise to novel optical and
chemical surface properties. In addition, it can provide deeper insights into the electronic …

Assignment of photoluminescence spectra of MgO powders: TD-DFT cluster calculations combined to experiments. Part I: structure effects on dehydroxylated surfaces

C Chizallet, G Costentin, H Lauron-Pernot, JM Krafft… - 2008 - ACS Publications
Photoluminescence excitation spectra of dehydroxylated MgO powders are assigned from a
combined theoretical and experimental approach. Experimentally, a set of five species is …