Influence of crystal mosaicity on axial channeling effects and lattice site determination of impurities | Zendy

Bart de Vries | Zendy; U. Wahl | Zendy; S. Ruffenach | Zendy; O. Briot | Zendy; A. Vantomme | Zendy

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Influence of crystal mosaicity on axial channeling effects and lattice site determination of impurities

Author(s) -

Bart de Vries,

U. Wahl,

S. Ruffenach,

O. Briot,

A. Vantomme

Publication year - 2013

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.4826705

Subject(s) - mosaicity , impurity , lattice (music) , materials science , crystal structure , crystal (programming language) , molecular physics , condensed matter physics , atomic physics , crystallography , diffraction , optics , chemistry , physics , x ray crystallography , organic chemistry , acoustics , programming language , computer science

International audienceUsing the electron emission channeling and Rutherford backscattering/channeling techniques, the influence of the mosaicity of a thin film on the axial channeling of charged particles was investigated. It is found that crystal mosaicity leads to a broadening and a degradation of the experimental channeling effects. This phenomenon, which is shown to be of major importance when assessing the lattice site of impurities in a single crystal, can be modeled quantitatively by using the mosaic tilt and twist components derived from X-ray rocking curve scans. As a case study, we illustrate that our approach allows to accurately determine the lattice site of Er in AlN, despite the significant influence of mosaicity on the channeling measurements

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