Descamps, M. and Legrand, V. and Guinet, Y. and Amazzal, A. and Alba, C. and Dore, J.C. (1997) ''Pre-peak'' in the structure factor of simple molecular glass formers. In: International Seminar on the Dynamics of Glass Transition and Related Topics, November 12-15, 1996, Kyoto, Japan.
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X-ray investigations of three fragile simple molecular glass forming liquids (m-toluidine, m-cresol, methylhydrazine) are presented, in the stable, undercooled and glassy state. Upon decreasing temperature, a ''pre-peak'' appears in the structure factor of all the investigated compounds in very similar conditions. It reveals a reversible intermediate range order of the liquid. A standard interpretation in terms of microcrystalline organization would lead to spatial repeat distances typically of 10 Angstrom and correlation length at most similar to 50 Angstrom at T-g. The features of this organization may be discussed in crystallographic terms from a comparison with the spectra of the crystalline varieties.
|Item Type:||Conference or workshop item (Paper)|
|Depositing User:||T. Nasir|
|Date Deposited:||24 Oct 2009 13:56|
|Last Modified:||04 May 2012 14:39|
|Resource URI:||http://kar.kent.ac.uk/id/eprint/18396 (The current URI for this page, for reference purposes)|
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