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S. N. Bagchi

Bio: S. N. Bagchi is an academic researcher. The author has contributed to research in topics: Selection (genetic algorithm). The author has an hindex of 1, co-authored 1 publications receiving 979 citations.

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01 Jan 1962

981 citations


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Journal ArticleDOI
TL;DR: The uncertainty in structural results for lipid bilayers is being reduced and best current values are provided for bilayers of five lipids.

2,497 citations

Journal ArticleDOI
TL;DR: In this article, a generalized Huggins-Mayer form for the Born repulsive energy is adopted, and the resulting values of the crystal radii agree within 0·05 A with the values obtained in I with the Huggin-Mayers and Pauling forms.

774 citations

Journal ArticleDOI
TL;DR: In this article, the static scattering intensity distribution I(q) of microemulsions is obtained from a Landau theory, which includes a negative gradient term in the free energy expression.
Abstract: From a Landau theory the static scattering intensity distribution I(q) of microemulsions is obtained. As essential ingredient we have included a negative gradient term in the free energy expression. The form of I(q)∼(a2+c1q2+c2q4)−1 yields for a2>0, c1 0 a single broad scattering peak and a q−4 decay at large q, both properties experimentally observed for a variety of microemulsions containing comparable amounts of water and oil. The peak originates from the modulation in the corresponding space correlation function given by γ(r)=(d/2πr)⋅e−r/ξ⋅sin(2πr/d). It is shown that the scattering intensity relation describes experimental literature data remarkably well, using only three fit parameters.

768 citations

Journal ArticleDOI
TL;DR: A review of the GISAXS technique, from experimental issues to the theories underlying the data analysis, with a wealth of examples, can be found in this paper, where the authors introduce the notions of particle form factor and interference function, together with the different cases encountered according to the size/shape dispersion.

717 citations

Journal ArticleDOI
TL;DR: Various aspects of Scherrer-type grain-size analysis are discussed with regard to the characterization of thin films with grazing-incidence scattering methods utilizing area detectors utilize area detectors.
Abstract: A poor divergence value in the paper by Smilgies [J. Appl. Cryst. (2009), 42, 1030–1034] is corrected.

578 citations