Organic-template-directed nucleation of strontium fluoride and barium fluoride: Epitaxy and strain

Jan Kmetko, Chungjong Yu, Guennadi Evmenenko, Sumit Kewalramani, Pulak Dutta

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

In situ synchrotron x-ray diffraction studies show that barium and strontium fluoride grow preferentially oriented at a fatty-acid monolayer template, with the unit cell spacings initially contracted by ∼1.6% (SrF2) to ∼4% (BaF2). In addition to this macroscopic strain, peak width analysis shows the presence of local strain that relaxes as the crystals grow. In contrast, the diffraction pattern from calcium carbonate grown at the same template shows no preferred crystallographic orientation.

Original languageEnglish (US)
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume68
Issue number8
DOIs
StatePublished - Jan 1 2003

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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