Accommodation of nonstoichiometry in (100) fiber-textured (BaxSr1-x)Ti1+yO3+z thin films grown by chemical vapor deposition

Susanne Stemmer, S. K. Streiffer, Nigel D. Browning, Angus I. Kingon

Research output: Contribution to journalArticlepeer-review

42 Scopus citations

Abstract

We have investigated the microstructural accommodation of nonstoichiometry in (BaxSr1-x)Ti1+yO3+z, thin films grown by chemical vapor deposition. Films with y=0.04 and y=0.15 were studied by high-spatial resolution electron energy-loss spectroscopy, revealing changes in chemistry and local atomic environment both at grain boundaries and within grains as a function of titanium content. We find that excess titanium in the samples with y=0.15 segregates to the grain boundaries in addition to being partially accommodated in the grain interior.

Original languageEnglish
Pages (from-to)2432-2434
Number of pages3
JournalApplied Physics Letters
Volume74
Issue number17
DOIs
StatePublished - Apr 26 1999
Externally publishedYes

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