Experimental Study of Planetary Ices at High-Pressure/-Temperature Using dynamic diamond-anvil cells


   Department of Earth Sciences

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  Prof Hauke Marquardt  No more applications being accepted  Competition Funded PhD Project (Students Worldwide)

About the Project

Understanding the composition, structure and dynamics of planetary interiors is key to model the formation, evolution and future of planetary systems. Planetary ice compounds, including H2O, NH3 and CH4 ice phases, make up a significant portion of several planetary bodies, both in and outside of the Solar System. Notably, there is a breath-taking increase in the amount of observed candidate exoplanets with sizes in between the Earth and the solar gas giant planets that are lacking an analogue in the solar system. Vital to our understanding of these super-Earth and miniNeptune exoplanets, as well as planetary bodies within our own Solar System, are accurate knowledge of the phase diagram, equation of state, phase transition kinetics, and the melting behavior of “planetary ices”, particularly H2O, NH3, CH4 ice. The aim of this project is to measure the phase diagrams and compression behavior of planetary ices using novel high-pressure/-temperature experiments coupled with time-resolved diagnostics. The new measurements will constrain the phase diagram and physical properties of planetary ice compounds at high-pressure/-temperature. The results will lead to improved planetary interior models. 

Geology (18)

 About the Project