Greigite (Fe₃S₄) is thermodynamically stable: Implications for its terrestrial and planetary occurrence

Iron sulfide minerals are widespread on Earth and likely in planetary bodies in and beyond our solar system. Using measured enthalpies of formation for three magnetic iron sulfide phases: bulk and nanophase Fe₃S₄ spinel (greigite), and its high-pressuremonoclinic phase, we show that greigite is a st...

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Veröffentlicht in:	Proceedings of the National Academy of Sciences - PNAS 2020-11, Vol.117 (46), p.28645-28648
Hauptverfasser:	Subramani, Tamilarasan, Lilova, Kristina, Abramchuk, Mykola, Leinenweber, Kurt D., Navrotsky, Alexandra
Format:	Artikel
Sprache:	eng
Schlagworte:	Ambient temperature Enthalpy Iron Iron sulfides Magnetic fields Magnetism Mercury Minerals Phase diagrams Physical Sciences Planetary magnetic fields S phase Solar system Spinel Surface energy Surface properties Surface stability Terrestrial environments
Online-Zugang:	Volltext
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