Mechanism and thermodynamics of the high- to low-spin transition in (Mg,Fe)O ferropericlase: An experimental null result

Shuai Zhang1, Raymond Jeanloz2, Dongzhou Zhang3, Zachary M Geballe4, Martin Kunz5, Yabin Chen1, Rachel V. Zucker1, Vitali B Prakapenka6, Dimitry Popov7, Rostislav Hrubiak7, Matthew R Diamond1 and Thomas James Smart8, (1)University of California Berkeley, Berkeley, CA, United States, (2)University of California Berkeley, Earth and Planetary Science, Berkeley, CA, United States, (3)University of Hawaii at Manoa, Hawaii Institute of Geophysics and Planetology, Honolulu, HI, United States, (4)Carnegie Science, Earth & Planets Laboratory, Washington, D.C., United States, (5)Lawrence Berkeley National Laboratory, Advanced Light Source, Berkeley, United States, (6)University of Chicago, GeoSoilEnviroCARS, Chicago, IL, United States, (7)Carnegie Institution of Washington, High Pressure Collaborative Access Team (HPCAT), Argonne, IL, United States, (8)University of California Berkeley, Physics, Berkeley, United States