Re-Evaluation of Surface Properties of Oxide-Cathode Materials.
Abstract
Surface properties of high-surface-area samples of alkaline earth oxides BaO, MgO, SrO, and CaO - prepared singly as pure materials or as binary systems having BaO dispersed onto the surface of another of the oxides - have been examined using as probes the luminescence and the catalytic activity of the materials. Comparisons of results from the pure systems with those from the binary systems are consistent with extensive reconstruction (rumpling) of the surface layers of the surface-doped binary systems. Such rumpling can produce up to one half of a mono-layer of surface ions jutting out from the surface with a high degree of coordinative unsaturation and resultant high lability and catalytic activity.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 15, 1985
- Accession Number
- ADA161131
Entities
People
- Joseph M Cunningham
Organizations
- University College Cork