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5 papers · 2 filters
Molecular dynamics of a short range ordered smectic phase nanoconfined into porous silicon
Régis Guégan, Denis Morineau, Ronan Lefort +5
4-n-octyl-4-cyanobiphenyl (8CB) has been recently shown to display an unusual sequence of phases when confined into porous silicon (PSi). The gradual increase of oriented short-ran…
Improved properties of epitaxial YNixMn1-xO3 films by annealing under high magnetic fields
Yanwei Ma, Aixia Xu, Xiaohang Li +4
The effect of annealing under a magnetic field on the microstructure and properties of YNixMn1-xO3 (x=0.33 and 0.5) films has been investigated. It is found that the ferromagnetic…
Exploring conformational energy landscape of glassy disaccharides by CPMAS 13C NMR and DFT/GIAO simulations. II. Enhanced molecular flexibility in amorphous trehalose
Ronan Lefort, Patrice Bordat, Attilio Cesaro +1
This paper deals with the comparative use of the chemical shift surfaces to simulate experimental 13C CPMAS data on amorphous solid state disaccharides, paying particular attention…
Exploring conformational energy landscape of glassy disaccharides by CPMAS 13C NMR and DFT/GIAO simulations. I. Methodological aspects
Ronan Lefort, Patrice Bordat, Attilio Cesaro +1
The aim of this article is to assess the ability of chemical shift surfaces to provide structural information on conformational distributions of disaccharides in glassy solid state…
Effect of chromophore-chromophore electrostatic interactions in the NLO response of functionalized organic-inorganic sol-gel materials
J. Reyes-Esqueda, B. Darracq, J. Garcia-Macedo +7
In the last years, important non-linear optical results on sol-gel and polymeric materials have been reported, with values comparable to those found in crystals. These new material…