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Energy migration in a two-dimensional Eu3+ compound: EuMgAl11O19

descriptionPublicationkeyboard_double_arrow_right Article 01 Dec 1987 Netherlands English Publisher:Elsevier BVJournal:Journal of Solid State Chemistry, volume 71, pages 296-304 (issn: 0022-4596,

Authors: Buijs, M.; Blasse, G.;

doi: 10.1016/0022-4596(87)90237-4

Energy migration in a two-dimensional Eu3+ compound: EuMgAl11O19

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Abstract

Energy transfer processes in EuMgAl/sub 11/O/sub 19/, which has a two-dimensional Eu/sup 3 +/ sublattice, have been evaluated. The Eu/sup 3 +/ ion occupies at least four different sites, between which energy transfer occurs. Above 17 K energy migration occurs over the Eu/sup 3 +/ sublattice to quenching centers. The characteristics of this process can be explained using two-dimensional migration models. In the region up to 80K the migration proved to be a two-site nonresonant two-phonon-assisted process.

Country

Netherlands

Related Organizations

Utrecht University
Netherlands
University Museum Utrecht
Netherlands

Keywords

Natuur- en Sterrenkunde

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