Journal Article

PUBDB-2021-03214

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Compression-rate dependence of pressure-induced phase transitions in Bi

Husband, R. J. (Corresponding author)XFEL.EU*DESY* ; O’Bannon, E. F. ; Liermann, H.-P.XFEL.EU*DESY* ; Lipp, M. J.Extern* ; Méndez, A. S. J.DESY* ; Konôpková, Z.XFEL.EU* ; McBride, E. E.Extern* ; Evans, W. J.Extern* ; Jenei, Z.Extern*

2021
Macmillan Publishers Limited, part of Springer Nature [London]

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Please use a persistent id in citations: doi:10.1038/s41598-021-94260-y  doi:10.3204/PUBDB-2021-03214

Abstract: It 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$^{–2}$–10$^3$ 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.

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Contributing Institute(s):

1. PETRA-D (FS-PETRA-D)
2. FS-Photon Science (FS-PS)

Research Program(s):

1. 632 - Materials – Quantum, Complex and Functional Materials (POF4-632) (POF4-632)
2. 6G3 - PETRA III (DESY) (POF4-6G3) (POF4-6G3)

Experiment(s):

1. PETRA Beamline P02.2 (PETRA III)

Appears in the scientific report 2021

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