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Title: Flash melting of tantalum in a diamond cell to 85 GPa

Abstract

Here, we demonstrate a new level of precision in measuring melting temperatures at high pressure using laser flash-heating followed by Scanning Electron Microscopy and Focused Ion Beam Milling. Furthermore, the new measurements on tantalum put unprecedented constraints on its highly debated melting slope, calling for a reevaluation of theoretical, shock compression and diamond cell approaches to determine melting at high pressure. X-ray analysis of the recovered samples confirmed the absence of chemical reactions, which likely played a significant role in previous experiments.

Authors:
 [1];  [2]
  1. Carnegie Inst. of Washington, Argonne, IL (United States). Geophysical Lab.; Goethe Univ., Frankfurt (Germany). Inst of Geoscienes
  2. Carnegie Inst. of Washington, Argonne, IL (United States). Geophysical Lab.
Publication Date:
Research Org.:
Carnegie Inst. of Science, Argonne, IL (United States); Energy Frontier Research Centers (EFRC) (United States). Energy Frontier Research in Extreme Environments (EFree)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1379166
Alternate Identifier(s):
OSTI ID: 1237508
Grant/Contract Number:  
NA0002006; SC0001057
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 93; Journal Issue: 5; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Karandikar, Amol, and Boehler, Reinhard. Flash melting of tantalum in a diamond cell to 85 GPa. United States: N. p., 2016. Web. doi:10.1103/PhysRevB.93.054107.
Karandikar, Amol, & Boehler, Reinhard. Flash melting of tantalum in a diamond cell to 85 GPa. United States. https://doi.org/10.1103/PhysRevB.93.054107
Karandikar, Amol, and Boehler, Reinhard. Tue . "Flash melting of tantalum in a diamond cell to 85 GPa". United States. https://doi.org/10.1103/PhysRevB.93.054107. https://www.osti.gov/servlets/purl/1379166.
@article{osti_1379166,
title = {Flash melting of tantalum in a diamond cell to 85 GPa},
author = {Karandikar, Amol and Boehler, Reinhard},
abstractNote = {Here, we demonstrate a new level of precision in measuring melting temperatures at high pressure using laser flash-heating followed by Scanning Electron Microscopy and Focused Ion Beam Milling. Furthermore, the new measurements on tantalum put unprecedented constraints on its highly debated melting slope, calling for a reevaluation of theoretical, shock compression and diamond cell approaches to determine melting at high pressure. X-ray analysis of the recovered samples confirmed the absence of chemical reactions, which likely played a significant role in previous experiments.},
doi = {10.1103/PhysRevB.93.054107},
journal = {Physical Review B},
number = 5,
volume = 93,
place = {United States},
year = {Tue Feb 09 00:00:00 EST 2016},
month = {Tue Feb 09 00:00:00 EST 2016}
}

Journal Article:

Citation Metrics:
Cited by: 18 works
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Works referenced in this record:

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Works referencing / citing this record:

Finite element modeling of melting and fluid flow in the laser-heated diamond-anvil cell
journal, April 2017

  • Gomez-Perez, N.; Rodriguez, J. F.; McWilliams, R. S.
  • Journal of Applied Physics, Vol. 121, Issue 14
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Melting of bcc crystal Ta without the Lindemann criterion
journal, January 2019