[PDF][PDF] EXAFS and XANES analysis of oxides at the nanoscale

A Kuzmin, J Chaboy - IUCrJ, 2014 - journals.iucr.org
Worldwide research activity at the nanoscale is triggering the appearance of new, and
frequently surprising, materials properties in which the increasing importance of surface and …

Spintronic oxides grown by laser-MBE

M Opel - Journal of physics D: Applied physics, 2011 - iopscience.iop.org
The recent study of oxides led to the discovery of several new fascinating physical
phenomena. High-temperature superconductivity, colossal magnetoresistance, dilute …

Lithium peroxide surfaces are metallic, while lithium oxide surfaces are not

MD Radin, JF Rodriguez, F Tian… - Journal of the American …, 2012 - ACS Publications
The thermodynamic stability and electronic structure of 40 surfaces of lithium peroxide
(Li2O2) and lithium oxide (Li2O) were characterized using first-principles calculations. As …

Ferromagnetism in defect-ridden oxides and related materials

JMD Coey, P Stamenov, RD Gunning… - New Journal of …, 2010 - iopscience.iop.org
The existence of high-temperature ferromagnetism in thin films and nanoparticles of oxides
containing small quantities of magnetic dopants remains controversial. Some regard these …

Understanding the role of iron in the magnetism of Fe doped ZnO nanoparticles

JJ Beltrán, CA Barrero, A Punnoose - Physical Chemistry Chemical …, 2015 - pubs.rsc.org
The actual role of transition metals like iron in the room temperature ferromagnetism (RTFM)
of Fe doped ZnO nanoparticles is still an unsolved problem. While some studies concluded …

Room-temperature ferromagnetism in MgO nanocrystalline powders

J Hu, Z Zhang, M Zhao, H Qin, M Jiang - Applied physics letters, 2008 - pubs.aip.org
MgO nanocrystalline powders prepared by sol-gel method present room-temperature
ferromagnetism, whereas MgO bulk exhibits diamagnetism. The vacuum annealing of MgO …

A theoretic insight into the catalytic activity promotion of CeO 2 surfaces by Mn doping

W Cen, Y Liu, Z Wu, H Wang, X Weng - Physical Chemistry Chemical …, 2012 - pubs.rsc.org
In this paper, we investigated the primary reduction and oxygen replenishing processes over
Mn substitutionally doped CeO2 (111) surfaces by density functional theory with the on-site …

Native defect-induced multifarious magnetism in nonstoichiometric cuprous oxide: First-principles study of bulk and surface properties of

A Soon, XY Cui, B Delley, SH Wei, C Stampfl - Physical Review B …, 2009 - APS
Native defects in cuprous oxide Cu 2 O are investigated by using first-principles calculations
based on density-functional theory. Considering the formation of copper and oxygen …

Ubiquity of ferromagnetic signals in common diamagnetic oxide crystals

M Khalid, A Setzer, M Ziese, P Esquinazi… - Physical Review B …, 2010 - APS
The magnetic properties of MgO, MgAl 2 O 4, SrTiO 3, LaAlO 3, LSAT, and ZnO single
crystals were investigated. These crystals show three contributions to the magnetization …

Ferromagnetism in ZnO nanoparticles induced by doping of a nonmagnetic element: Al

D Gao, J Zhang, G Yang, J Zhang, Z Shi… - The Journal of …, 2010 - ACS Publications
The room-temperature ferromagnetism of Zn1− x Al x O nanoparticles synthesized by a sol−
gel method is reported in this paper. X-ray diffraction and selected area electron diffraction …