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Oscillatory deviations from Porod's law in the intensities scattered by some glasses
Author(s) -
Ciccariello S.,
Benedetti A.
Publication year - 1986
Publication title -
journal of applied crystallography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.429
H-Index - 162
ISSN - 1600-5767
DOI - 10.1107/s0021889886089677
Subject(s) - discontinuity (linguistics) , asymptote , physics , intensity (physics) , point (geometry) , function (biology) , optics , mathematical analysis , mathematics , geometry , evolutionary biology , biology
The oscillatory deviations with respect to the Porod asymptote, observed in the small‐angle X‐ray intensities scattered by some selenium ruby glasses, are explained in terms of a finite discontinuity of the second‐order derivative of the correlation function. The best fit of the intensity allows the value of the discontinuity to be determined as well as the point at which it occurs. The physical implications of these results are discussed.