NASA NTRS · 20170001740
Developing V-Xanes Oxybarometry for Probing Materials Formed in Reducing Environments in the Early Solar Disk
Abstract
Vanadium exhibits four oxidation states (V(sup 2+), V(sup 3+), V(sup 4+) and V(sup 5+)) that have been shown to preferentially partition between melt phases dependent on redox conditions, spanning oxygen fugacity across more than 10 log units. We are developing synchrotron-based x-ray absorption spectroscopy of low-fugacity standards for the determination of V oxidation state in highly reducing conditions relevant to the early solar nebula.
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Butterworth, A. L., Gainsforth, Z., Jilly-Rehak, C. E., Righter, K., Westphal, A. J.. 2017-03-20. Developing V-Xanes Oxybarometry for Probing Materials Formed in Reducing Environments in the Early Solar Disk. https://ntrs.nasa.gov/citations/20170001740
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