Electron transfer at oxide surfaces. The MgO paradigm: from defects to ultrathin films

G Pacchioni, H Freund - Chemical reviews, 2013 - ACS Publications
Electron transfer (ET) is a fundamental process in physics, chemistry, and biology. 1 Charge
transfer determines phenomena like oxidation and reduction, bond activation and bond …

[HTML][HTML] Structure–property relationship and chemical aspects of oxide–metal hybrid nanostructures

S Surnev, A Fortunelli, FP Netzer - Chemical Reviews, 2013 - ACS Publications
The concept of coupling a nanometer or subnanometer scale oxide phase to a metal surface
to form a metal–oxide hybrid material with novel properties is an attractive approach in the …

Donor characteristics of transition-metal-doped oxides: Cr-doped MgO versus Mo-doped CaO

F Stavale, X Shao, N Nilius, HJ Freund… - Journal of the …, 2012 - ACS Publications
The ability of Mo (Cr) impurities in a CaO (MgO) matrix to act as charge donors to adsorbed
gold has been investigated by means of scanning tunneling microscopy and density …

Reconciling the theoretical and experimental electronic structure of

S Berman, A Zhussupbekova, JE Boschker… - Physical Review B, 2023 - APS
Metal-insulator transition materials such as NbO 2 have generated much excitement in
recent years for their potential applications in computing and sensing. NbO 2 has generated …

Structural, optical and magnetic characterizations of Mn-doped MgO nanoparticles

S Azzaza, M El-Hilo, S Narayanan, JJ Vijaya… - Materials Chemistry and …, 2014 - Elsevier
Structural, optical and room temperature magnetic properties of Mn-doped MgO
nanoparticles with Mn fractions (5–50 at.%), were investigated. The as-prepared pure MgO …

[HTML][HTML] Enhanced extreme ultraviolet high-harmonic generation from chromium-doped magnesium oxide

VE Nefedova, S Fröhlich, F Navarrete… - Applied Physics …, 2021 - pubs.aip.org
High-order harmonic generation (HHG) from crystals is emerging as a new ultrashort source
of coherent extreme ultraviolet (XUV) light. Do** the crystal structure can offer a new way …

A fresh look at an old nano-technology: catalysis

HJ Freund, N Nilius, T Risse… - Physical Chemistry …, 2014 - pubs.rsc.org
The development of model catalyst systems for heterogeneous catalysis going beyond the
metal single crystal approach, including phenomena involving the limited size of metal …

Activating nonreducible oxides via do**

N Nilius, HJ Freund - Accounts of Chemical Research, 2015 - ACS Publications
Conspectus Nonreducible oxides are characterized by large band gaps and are therefore
unable to exchange electrons or to form bonds with surface species, explaining their …

Ferromagnetism in Fe-doped MgO nanoparticles

S Phokha, J Klinkaewnarong, S Hunpratub… - Journal of Materials …, 2016 - Springer
This work reports the study on magnetic properties of Mg 1− x Fe x O (x= 0, 0.05 and 0.07)
nanoparticles prepared by the polymer pyrolysis method. Phase, valence states and …

Light Emission from Single Oxygen Vacancies in Cu2O Films Probed with Scanning Tunneling Microscopy

A Gloystein, M Soltanmohammadi… - The Journal of Physical …, 2023 - ACS Publications
Global photoluminescence (PL) and spatially resolved scanning tunneling microscopy
(STM) luminescence are compared for thick Cu2O films grown on Au (111). While the PL …