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In situ measurement of gas-solid interactions in astrophysical dust & planetary analogues

Published online by Cambridge University Press:  13 February 2013

S.P. Thompson ,
J.E. Parker ,
S.J. Day ,
A. Evans  and
C.C. Tang
S.P. Thompson
Affiliation:
Diamond Light Source, Chilton, Didcot, Oxon OX11 0DE, UK
J.E. Parker
Affiliation:
Diamond Light Source, Chilton, Didcot, Oxon OX11 0DE, UK
S.J. Day
Affiliation:
Diamond Light Source, Chilton, Didcot, Oxon OX11 0DE, UK Astrophysics Group, Keele University, Staffs ST5 5BG, UK
A. Evans
Affiliation:
Astrophysics Group, Keele University, Staffs ST5 5BG, UK
C.C. Tang
Affiliation:
Diamond Light Source, Chilton, Didcot, Oxon OX11 0DE, UK

Abstract

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Facilities for studying gas-solid interactions on beamline I11 at the Diamond Light Source are described. Sample evolution in low and high gas pressure capillary cells (1 × 10-7 to 100 bar) with non-contact cooling and heating (80 to 1273 K) can be monitored structurally (X-rays) and spectroscopically (Raman). First results on the dehydration of MgSO4.7H2O, the formation of CO2 clathrate hydrate and the reaction of amorphous CaSiO3 grains with CO2 gas to form CaCO3 are presented to demonstrate the application of these cells to laboratory investigations involving the processing of cosmic dust simulants and planetary materials analogues.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 58: ECLA - European Conference on Laboratory Astrophysics , 2012 , pp. 225 - 229
Copyright
© The Author(s) 2013

References

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