Melting behaviour of the candidate minerals for planetary models

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The discovery of super-Earths and extra solar giant planets has made high pressure physics relevant for determining the formation and composition of these planets.We have developed a model to determine the pressure dependence of melting temperature, Tm and the Debye temperature, ΘD of materials utilizing Grüneisen parameter, ξ and the bulk modulus, B as the basic ingredients. The formalism has been applied to estimate the pressure dependence of melting temperature and Debye temperature of one of the candidate minerals such as quartz (stishovite, SiO 2). The pressure range used in the present study is 0-6000GPa commensurate with the interior pressures of giant exoplanets. The results show an excellent agreement with the available experimental and other theoretical results.

Original languageEnglish
Article number012064
JournalJournal of Physics: Conference Series
Issue number1
Publication statusPublished - Jul 11 2017

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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