Skip to main content

A combined computer simulation and EXAFS study of dopant clustering in lanthanum oxide

Chadwick, Alan V., Morrison, G., Rafiuddin, R. (1995) A combined computer simulation and EXAFS study of dopant clustering in lanthanum oxide. Radiation Effects and Defects in Solids, 134 (1-4). pp. 91-94. ISSN 1042-0150. (doi:10.1080/10420159508227190) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided. (Contact us about this Publication)
Official URL
http://dx.doi.org/10.1080/10420159508227190

Abstract

Atomistic computer modelling and Extended X-ray Absorption Fine Structure (EXAFS) measurements were used in a study of the mode of solution of Sr2+ ions in La2O3. The results are in agreement with previous modelling studies which show that the most favourable mode of solution is cation substitution with anion vacancy charge compensation. The energy of solution was found to be 1.3 eV. The Sr K-edge EXAFS results for 10 and 20 mole percent Sr2+ doped La2O3 were consistent with cation substitution. For both doped samples the EXAFS indicate the presence of a defect cluster containing 2Sr(La), ions adjacent to a V-O(-).

Item Type: Article
DOI/Identification number: 10.1080/10420159508227190
Uncontrolled keywords: lanthanum oxide; computer modelling; EXAFS; dopant clusters
Subjects: Q Science > Q Science (General)
Divisions: Faculties > Sciences > School of Engineering and Digital Arts
Depositing User: P. Ogbuji
Date Deposited: 06 Jun 2009 16:06 UTC
Last Modified: 11 Jun 2019 08:58 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/19752 (The current URI for this page, for reference purposes)
  • Depositors only (login required):