Exploring Jupiter's icy moons with old techniques and big facilities - new insights on sulfuric acid hydrate

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dc.contributor.authorMaynard-Casely, HEen_AU
dc.contributor.authorAvdeev, Men_AU
dc.contributor.authorWallwork, KSen_AU
dc.contributor.authorBrand, HEAen_AU
dc.date.accessioned2021-10-26T00:19:12Zen_AU
dc.date.available2021-10-26T00:19:12Zen_AU
dc.date.issued2014-02-07en_AU
dc.date.statistics2021-09-14en_AU
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_AU
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: https://physics.org.au/wp-content/uploads/cmm/2014/Wagga2014proceedings.pdfen_AU
dc.identifier.conferenceenddate7 February 2014en_AU
dc.identifier.conferencename38th Annual Condensed Matter and Materials Meeting 2014en_AU
dc.identifier.conferenceplaceAuckland, New Zealanden_AU
dc.identifier.conferencestartdate4 February 2014en_AU
dc.identifier.isbn978-0-646-93339-9en_AU
dc.identifier.otherFO2en_AU
dc.identifier.urihttps://physics.org.au/wp-content/uploads/cmm/2014/Wagga2014proceedings.pdfen_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/12078en_AU
dc.language.isoenen_AU
dc.publisherAustralian Institute of Physicsen_AU
dc.subjectCoherent scatteringen_AU
dc.subjectX-ray diffractionen_AU
dc.subjectElectromagnetic radiationen_AU
dc.subjectOxygen compoundsen_AU
dc.subjectPlanetsen_AU
dc.subjectSulfur compoundsen_AU
dc.subjectSynchrotronsen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectElectron spectroscopyen_AU
dc.subjectSolar systemen_AU
dc.subjectIceen_AU
dc.subjectANSTOen_AU
dc.titleExploring Jupiter's icy moons with old techniques and big facilities - new insights on sulfuric acid hydrateen_AU
dc.typeConference Abstracten_AU
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