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Title: Measurement of Body-Centered-Cubic Aluminum at 475 GPa [Observation of Body-Centered-Cubic Aluminum at 475 GPa]

Journal Article · · Physical Review Letters

In this work, nanosecond in situ x-ray diffraction and simultaneous velocimetry measurements were used to determine the crystal structure and pressure, respectively, of ramp-compressed aluminum at stress states between 111 and 475 GPa. The solid-solid Al phase transformations, fcc–hcp and hcp–bcc, are observed at 216 ± 9 and 321 ± 12 GPa , respectively, with the bcc phase persisting to 475 GPa. The high-pressure crystallographic texture of the hcp and bcc phases suggests close-packed or nearly close-packed lattice planes remain parallel through both transformations.

Research Organization:
Univ. of Rochester, NY (United States). Lab. for Laser Energetics; Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Contributing Organization:
Laboratory for Laser Energetics, University of Rochester
Grant/Contract Number:
NA0001944; AC52-07NA27344; AC04-94AL85000; NA0003525
OSTI ID:
1405327
Alternate ID(s):
OSTI ID: 1405212; OSTI ID: 1430899; OSTI ID: 1787211
Report Number(s):
2017-4, 1356; SAND-2018-0446J; LLNL-JRNL-820435; PRLTAO; 2017-4, 2311, 1356; TRN: US1702898
Journal Information:
Physical Review Letters, Vol. 119, Issue 17; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 27 works
Citation information provided by
Web of Science

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Cited By (4)

Toroidal diamond anvil cell for detailed measurements under extreme static pressures journal July 2018
Effect of particle packing and density on shock response in ordered arrays of Ni + Al nanoparticles journal January 2019
X-ray diffraction of ramp-compressed aluminum to 475 GPa journal August 2018
Optimized x-ray sources for x-ray diffraction measurements at the Omega Laser Facility journal December 2019