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Molecular orientation studied by reflection anisotropy spectroscopy
Author(s) -
Lane P. D.,
Isted G. E.,
Cole R. J.
Publication year - 2010
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.200983925
Subject(s) - anisotropy , tilt (camera) , reflection (computer programming) , spectroscopy , materials science , optics , rotation (mathematics) , azimuth , signal (programming language) , physics , geometry , mathematics , quantum mechanics , computer science , programming language
A description of the reflection anisotropy spectroscopy (RAS) results from oriented thin films is presented. The RAS signals of a 1 nm thick film are simulated to investigate the effect of molecular tilt on the RAS response of the system. Whilst the spectroscopic measurements themselves appear to be relatively insensitive to the effects of the tilt, the variation of the RAS signal with rotation of the sample azimuthal angle sees sensitivity to out of surface plane anisotropy, characterized by a sin θ s effect.