Precipitate coarsening and self organization in erbium-doped silica

Publication: Research - peer-reviewJournal article – Annual report year: 1999

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The influence of heat treatment at and above 1100 degrees C on thin erbium-rich silica layers embedded in silica has been studied experimentally by secondary ion-mass spectrometry and cross-sectional transmission electron microscopy. Redistribution of erbium atoms is observed at these temperatures, and formation of erbium-rich. precipitates is seen to occur if the erbium concentration exceeds similar to 0.01 at. %. These precipitates are observed to coarsen and subsequently dissolve with increasing annealing time. Moreover, self organization of precipitates has been observed in the form of layering of the precipitate ensemble.
Original languageEnglish
JournalPhysical Review B Condensed Matter
Publication date1999
Volume59
Issue21
Pages13494-13497
ISSN0163-1829
DOIs
StatePublished

Bibliographical note

Copyright (1999) by the American Physical Society.

CitationsWeb of Science® Times Cited: 18

Keywords

  • SIO2, CLUSTERS, DIFFUSION, ION-IMPLANTATION, LAYERS, FIBERS, ABSORPTION, GLASS
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