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Laboratory Analogues of the Carbonaceous Dust: Synthesis of Soot-like Materials and their Properties

Published online by Cambridge University Press:  05 March 2015

T. Pino ,
Y. Carpentier ,
G. Féraud ,
Ph. Bréchignac ,
R. Brunetto ,
L. d'Hendecourt ,
E. Dartois  and
J.-N. Rouzaud
T. Pino
Affiliation:
Institut des Sciences Moléculaires d'Orsay, CNRS - Univ Paris-Sud, F91405 Orsay Cedex, France email: thomas.pino@u-psud.fr
Y. Carpentier
Affiliation:
Institut des Sciences Moléculaires d'Orsay, CNRS - Univ Paris-Sud, F91405 Orsay Cedex, France email: thomas.pino@u-psud.fr
G. Féraud
Affiliation:
Institut des Sciences Moléculaires d'Orsay, CNRS - Univ Paris-Sud, F91405 Orsay Cedex, France email: thomas.pino@u-psud.fr
Ph. Bréchignac
Affiliation:
Institut des Sciences Moléculaires d'Orsay, CNRS - Univ Paris-Sud, F91405 Orsay Cedex, France email: thomas.pino@u-psud.fr
R. Brunetto
Affiliation:
Institut d'Astrophysique Spatiale, CNRS - Univ Paris-Sud, F91405 Orsay Cedex, France
L. d'Hendecourt
Affiliation:
Institut d'Astrophysique Spatiale, CNRS - Univ Paris-Sud, F91405 Orsay Cedex, France
E. Dartois
Affiliation:
Institut d'Astrophysique Spatiale, CNRS - Univ Paris-Sud, F91405 Orsay Cedex, France
J.-N. Rouzaud
Affiliation:
Laboratoire de Géologie, Ecole Normale Supérieure, F75231 Paris Cedex 5, France
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Abstract

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Carbonaceous cosmic dust is observed through infrared spectroscopy either in absorption or in emission and the details of the spectral features are believed to shed some light on its structure and finally enable the study of its life cycle. Other spectral domains also contain some information, as does the UV bump at 217 nm. In order to progress on the understanding of these spectral features, many laboratory works are devoted to the production and characterization of laboratory analogues. Generally several analytical tools are used in combination to better analyse the intimate structure of the analogues and the influence of the nanostructuration on the spectral properties. In this proceeding We will focus on the elaboration of new spectral parameters that enables the nanostructuration of the carriers of the AIBs to be traced.

Keywords

ISM: generalastrochemistry(ISM:) dustextinctioninfrared: ISM
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 10 , Highlights H16: Highlights of Astronomy , August 2012 , pp. 717 - 719
Copyright
Copyright © International Astronomical Union 2015 

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