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dc.contributor.authorMaynard-Casely, HE-
dc.contributor.authorAvdeev, M-
dc.contributor.authorWallwork, KS-
dc.contributor.authorBrand, HEA-
dc.identifier.citationMaynard-Casely, H. E., Avdeev, M., Wallwork, K. S., & Brand, H. E. A. (2014). Exploring Jupiter's icy moons with old techniques and big facilities - new insights on sulfuric acid hydrate. Paper presented at the 38th Annual Condensed Matter and Materials Meeting 2014, Waiheke Island Resort, Waiheke, Auckland, New Zealand, 4th February - 7th February, 2014. Retrieved from:
dc.description.abstractSulfuric acid hydrates have been proposed to be abundant on the surface of Europa, and hence would be important planetary-forming materials for this moon and its companions Ganymede and Callisto. Understanding of the surface features and subsurface of these moons could be advanced by firmer knowledge of the icy materials that comprise them, insight into which can be drawn from firmer knowledge of physical properties and phase behaviour of the candidate materials. We wish to present results from a study that started with the question ‘What form of sulfuric acid hydrate would form on the surface of Europa?’, with this study undertaken with in situ powder diffraction at Australian Synchrotron and ANSTO. We have used the Powder Diffraction beamline at Australian synchrotron and the Echidna (High-resolution neutron powder diffraction) instrument of the Australian Nuclear Science and Technology Organization, to obtain a number of new insights into the crystalline phases formed from H2SO4/H2O mixtures. These instruments have enabled the discovery a new water-rich sulfuric acid hydrate form, improved structural characterisation of existing forms and charting of the phase diagram of this fundamental binary system. This has revealed exciting potential for understanding more about the surface of Europa from space, perhaps even providing a window into its past.en_US
dc.publisherAustralian Institute of Physicsen_US
dc.subjectCoherent scatteringen_US
dc.subjectX-ray diffractionen_US
dc.subjectElectromagnetic radiationen_US
dc.subjectOxygen compoundsen_US
dc.subjectSulfur compoundsen_US
dc.subjectNeutron diffractionen_US
dc.subjectElectron spectroscopyen_US
dc.subjectSolar systemen_US
dc.titleExploring Jupiter's icy moons with old techniques and big facilities - new insights on sulfuric acid hydrateen_US
dc.typeConference Abstracten_US
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