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Changes in mobility of plastic crystal ethanol during its transformation into the monoclinic crystal state.

Authors :
Sanz A
Nogales A
Puente-Orench I
Jiménez-Ruiz M
Ezquerra TA
Source :
The Journal of chemical physics [J Chem Phys] 2014 Feb 07; Vol. 140 (5), pp. 054510.
Publication Year :
2014

Abstract

Transformation of deuterated ethanol from the plastic crystal phase into the monoclinic one is investigated by means of a singular setup combining simultaneously dielectric spectroscopy with neutron diffraction. We postulate that a dynamic transition from plastic crystal to supercooled liquid-like configuration through a deep reorganization of the hydrogen-bonding network must take place as a previous step of the crystallization process. Once these precursor regions are formed, subsequent crystalline nucleation and growth develop with time.

Details

Language :
English
ISSN :
1089-7690
Volume :
140
Issue :
5
Database :
MEDLINE
Journal :
The Journal of chemical physics
Publication Type :
Academic Journal
Accession number :
24511955
Full Text :
https://doi.org/10.1063/1.4863694