X-Ray Reflectivity from the Surface of a Liquid Crystal: Surface Structure and Absolute Value of Critical Fluctuations
Author(s) -
P. S. Pershan,
J. AlsNielsen
Publication year - 1984
Publication title -
physical review letters
Language(s) - French
Resource type - Journals
SCImago Journal Rank - 3.688
H-Index - 673
eISSN - 1079-7114
pISSN - 0031-9007
DOI - 10.1103/physrevlett.52.759
Subject(s) - optics , fresnel equations , reflection (computer programming) , superposition principle , total internal reflection , scattering , surface (topology) , bragg's law , materials science , liquid crystal , intensity (physics) , crystal (programming language) , fresnel number , total external reflection , reflectivity , physics , refractive index , diffraction , geometry , quantum mechanics , mathematics , computer science , programming language
La reflectivite RX de la surface d'un cristal liquide nematique est interpretee comme la superposition coherente de la reflexion de Fresnel en surface et celle de Bragg due a l'ordre smectique induit par la surface
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