Solid state reactions involving oxides of trivalent cations

Phase Equilibria in Systems Involving the Rare - Earth Oxides . Part II . Solid State Reactions in Trivalent Rare - Earth Oxide Systems

Selected mixtures in 2 l binary and 9 ternary rare-earth oxide syste ms were studied by X-ray diffraction after heat treatment aL 1,650° C and above. Two graphs were drawn to show specific r egions of stability for t he various strucLure types. Each givcs t he a verage ionic rad ius of constiLuent cations versus the mole percent of the smaller cation. One diagram is es~e ntiall :-' divided inLo...

Functional diversity in templated solid state reactions

Manganese Antimonate: Facile solid state synthesis, characterization and its application for Biginelli reactions

Nanostructured Mn2Sb2O7 powders were synthesized via stoichiometric1:1 Mn:Sb molar ratio solid state reaction at different reactions temperatures for 8 h using MnSO4.H2O and Sb2O3 as raw materials. The synthesized materials were characterized by powder X-ray diffraction (PXRD) technique. Structural analyses were performed by the FullProf program employing profile matching with constant scale fa...

Fast Reactions Involving Radical-Cations During their Geminate Recombination as Studied by the OD ESR Method

für Naturforschung in cooperation with the Max Planck Society for the Advancement of Science under a Creative Commons Attribution 4.0 International License. Dieses Werk wurde im Jahr 2013 vom Verlag Zeitschrift für Naturforschung in Zusammenarbeit mit der Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. digitalisiert und unter folgender Lizenz veröffentlicht: Creative Commons Namen...

Application of solid-state kinetics to desolvation reactions

Mathematical methods have been developed to evaluate solid-state kinetics. They generally fall into two categories: model-fitting or model-free (isoconversional). Modelfitting methods determine the kinetic triplet (model, frequency factor and activation energy) whereas isoconversional (model-free) methods generate the activation energy as a function of reaction progress without modelistic assum...