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Preferential sputtering induced stress domains and mesoscopic phase separation on CaF2(111)

Lookup NU author(s): Matthias Batzill, Dr Francois Bardou, Professor Ken Snowdon


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A novel phase separation on glancing incidence ion beam irradiated CaF2(111) surfaces was documented. This phase separation was attributed to F- and F-center terminated mesoscopic domains upon which 2 ML high nanometer-scale calcium islands are superimposed. The 2% lattice mismatch between calcium and CaF2 led to the formation of stress domains leading to a characteristic island size and separation.

Publication metadata

Author(s): Batzill M, Bardou F, Snowdon KJ

Publication type: Article

Publication status: Published

Journal: Physical Review Letters

Year: 2000

Volume: 85

Issue: 4

Pages: 780-783

ISSN (print): 0031-9007

ISSN (electronic): 1079-7114

Publisher: American Physical Society


DOI: 10.1103/PhysRevLett.85.780


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