interfacial layer width, \(\sigma_{\text{S}}\)

in thin films
https://doi.org/10.1351/goldbook.I03086
The @C00977@ defined by the variance of the Gaussian function fitted to the @G02669@ of the @E01986@ profile established by X-ray specular @R05235@ studies of the liquid @I03082@.
Source:
PAC, 1994, 66, 1667. (Thin films including layers: terminology in relation to their preparation and characterization (IUPAC Recommendations 1994)) on page 1674 [Terms] [Paper]
Cite as: IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). Online version (2019-) created by S. J. Chalk. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.
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Last revised: February 24, 2014