1. HRAEM/IIC Facility, Department of Earth & Planetary Sciences, Johns Hopkins University, Baltimore, Maryland 21218, United States
2. SuperSTEM Laboratory, STFC Daresbury, Keckwick Lane, WA4 4AD Warrington, U.K.
3. SUPA, School of Physics and Astronomy, University of Glasgow, Glasgow G12 8QQ, U.K.
4. Department of Earth & Planetary Sciences, Johns Hopkins University, Baltimore, Maryland 21218, United States
5. Institute for Materials Research, SPEME, University of Leeds, Leeds LS2 9JT, U.K.
6. Geophysical Laboratory, Carnegie Institute Washington, Washington, D.C. 20015, United States
7. Department of Materials Sciences, Johns Hopkins University, Baltimore, Maryland 21218,
United States