Authors:
B. Berton Université de Rouen 1 La2B — SMS — UPRES EA 3233 Centre Universitaire d’Evreux rue du 7ème Chasseurs B.P. 281 27002 Evreux cedex France

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V. Dupray Université de Rouen 1 La2B — SMS — UPRES EA 3233 Centre Universitaire d’Evreux rue du 7ème Chasseurs B.P. 281 27002 Evreux cedex France

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H. Atmani Université de Rouen 1 La2B — SMS — UPRES EA 3233 Centre Universitaire d’Evreux rue du 7ème Chasseurs B.P. 281 27002 Evreux cedex France

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G. Coquerel Université de Rouen 1 UC2M2 — SMS — UPRES EA 3233 — IRCOF rue Tesnière 76821 Mont-Saint-Aignan cedex France

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Abstract  

Dehydration of trehalose dihydrate implemented by slow heating (1 K min−1), has been monitored by Raman microspectroscopy from 25 to 110�C directly on single crystals. Between 90 and 120�C, gas initially trapped in irregular macroscopic defects, reorganizes to form spherical vacuoles. The Raman analysis of these vacuoles highlights that the areas in vicinity of the defects are the first affected by the dehydration mechanisms. Indeed, the progressive amorphization of the crystal starts around these defects.

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
1
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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