Oxygen vacancies in transition metal and rare earth oxides: Current state of understanding and remaining challenges

MV Ganduglia-Pirovano, A Hofmann, J Sauer - Surface science reports, 2007 - Elsevier
Defects at transition metal (TM) and rare earth (RE) oxide surfaces, neutral oxygen
vacancies in particular, play a major role in a variety of technological applications. This is the …

Efficient Hydrogenation of Methyl Palmitate to Hexadecanol over Cu/m-ZrO2 Catalysts: Synergistic Effect of Cu Species and Oxygen Vacancies

X Zheng, P Yu, Y Liu, Y Ma, Y Cao, Z Cai, L Zhou… - ACS …, 2023 - ACS Publications
Renewable fatty esters are a class of clean feedstock to produce high value-added fatty
alcohols. Herein, the hydrogenation of methyl palmitate (MP) to hexadecanol over defect …

Oxidation of CO on gold supported catalysts prepared by laser vaporization: direct evidence of support contribution

S Arrii, F Morfin, AJ Renouprez… - Journal of the American …, 2004 - ACS Publications
γ-Al2O3, ZrO2, and TiO2 gold supported model catalysts have been synthesized by laser
vaporization. Structural characterization using Transmission Electron Microscopy and X-ray …

The role of nitrogen-related defects in high-k dielectric oxides: Density-functional studies

JL Gavartin, AL Shluger, AS Foster… - Journal of applied …, 2005 - pubs.aip.org
Using ab initio density-functional total energy and molecular-dynamics simulations, we study
the effects of various forms of nitrogen postdeposition anneal (PDA) on the electric …

[HTML][HTML] Investigation of the impact of insulator material on the performance of dissimilar electrode metal-insulator-metal diodes

N Alimardani, SW King, BL French, C Tan… - Journal of Applied …, 2014 - pubs.aip.org
The performance of thin film metal-insulator-metal (MIM) diodes is investigated for a variety
of large and small electron affinity insulators using ultrasmooth amorphous metal as the …

Impact of the ohmic electrode on the endurance of oxide-based resistive switching memory

S Wiefels, M Von Witzleben… - IEEE transactions on …, 2021 - ieeexplore.ieee.org
As one of the key aspects in the reliability of redox-based resistive switching memories
(ReRAMs), maximizing their endurance is of high relevance for industrial applications. The …

Role of the Cu-ZrO2 interface in the hydrogenation of levulinic acid to γ-valerolactone

Z Li, H Hao, J Lu, C Wu, R Gao, J Li, CL Liu… - Journal of Energy …, 2021 - Elsevier
Here we exquisitely fabricated Cu/ZrO 2-dp catalysts with plentiful Cu-ZrO 2 interfaces by
depositing amorphous ZrO 2 onto Cu nanoparticles for the hydrogenation of levulinic acid …

Interband Transitions in Sol−Gel-Derived ZrO2 Films under Different Calcination Conditions

S Chang, R Doong - Chemistry of Materials, 2007 - ACS Publications
Different types of interband transitions as well as the microstructures and O/Zr ratios in sol−
gel-derived ZrO2 films calcined at elevated temperatures in air or N2 were systematically …

Revealing the surface reactivity of zirconia by periodic DFT calculations

OA Syzgantseva, M Calatayud… - The Journal of Physical …, 2012 - ACS Publications
ZrO2 is known in chemistry to be a stable material. However, some technological
applications point to specific redox reactivity related to surface oxygen composition. In this …

Band gap engineering of bulk ZrO 2 by Ti doping

F Gallino, C Di Valentin, G Pacchioni - Physical Chemistry Chemical …, 2011 - pubs.rsc.org
It has been experimentally observed that Ti doping of bulk ZrO2 induces a large red-shift of
the optical absorption edge of the material from 5.3 to 4.0 eV [Livraghi et al., J. Phys. Chem …