Author:
Husband Rachel J.,O’Bannon Earl F.,Liermann Hanns-Peter,Lipp Magnus J.,Méndez Alba S. J.,Konôpková Zuzana,McBride Emma E.,Evans William J.,Jenei Zsolt
Abstract
AbstractIt is qualitatively well known that kinetics related to nucleation and growth can shift apparent phase boundaries from their equilibrium value. In this work, we have measured this effect in Bi using time-resolved X-ray diffraction with unprecedented 0.25 ms time resolution, accurately determining phase transition pressures at compression rates spanning five orders of magnitude (10–2–103 GPa/s) using the dynamic diamond anvil cell. An over-pressurization of the Bi-III/Bi-V phase boundary is observed at fast compression rates for different sample types and stress states, and the largest over-pressurization that is observed is ΔP = 2.5 GPa. The work presented here paves the way for future studies of transition kinetics at previously inaccessible compression rates.
Funder
U.S. Department of Energy
Deutsche Forschungsgemeinschaft
Deutsches Elektronen-Synchrotron (DESY)
Publisher
Springer Science and Business Media LLC
Cited by
20 articles.
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