Journal of Alloys and Compounds, volume 502, issue 1, pages 5-12

In situ observation of the reaction of tantalum with nitrogen in a laser heated diamond anvil cell

Alexandra Friedrich 1
Björn Winkler 1
Lkhamsuren Bayarjargal 1
Erick A Juarez-Arellano 2
Jasmin Biehler 1
Florian Schröder 1
Jinyuan Yan 3
S.L. Clark 3
Publication typeJournal Article
Publication date2010-07-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor6.2
ISSN09258388
Materials Chemistry
Metals and Alloys
Mechanical Engineering
Mechanics of Materials
Abstract
Tantalum nitrides were formed by reaction of the elements at pressures between 9(1) and 12.7(5) GPa and temperatures >1600–2000 K in the laser-heated diamond anvil cell. The incorporation of small amount of nitrogen in the tantalum structure was identified as the first reaction product on weak laser irradiation. Subsequent laser heating led to the formation of hexagonal β -Ta2N and orthorhombic η -Ta2N3, which was the stable phase at pressures up to 27 GPa and high temperatures. No evidence was found for the presence of ɛ -TaN, ϑ -TaN, δ -TaN, Ta3N5-I or Ta3N5-II, which was predicted to be the stable phase at P > 17  GPa and T = 2800  K, at the P , T -conditions of this experiment. The bulk modulus of η -Ta2N3 was determined to be B 0 = 319 ( 6 )  GPa from a 2nd order Birch–Murnaghan equation of state fit to the experimental data, while quantum mechanical calculations using the density functional theory gave a bulk modulus of B 0 = 348.0 ( 9 )  GPa for a 2nd-order fit or B 0 = 339 ( 1 )  GPa and B ′ = 4.67 ( 9 ) for a 3rd-order fit. The values show the large incompressibility of this high-pressure phase. From the DFT data the structural compression mechanism could be determined.

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Friedrich A. et al. In situ observation of the reaction of tantalum with nitrogen in a laser heated diamond anvil cell // Journal of Alloys and Compounds. 2010. Vol. 502. No. 1. pp. 5-12.
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Friedrich A., Winkler B., Bayarjargal L., Juarez-Arellano E. A., Morgenroth W., Biehler J., Schröder F., Yan J., Clark S. In situ observation of the reaction of tantalum with nitrogen in a laser heated diamond anvil cell // Journal of Alloys and Compounds. 2010. Vol. 502. No. 1. pp. 5-12.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.jallcom.2010.04.113
UR - https://doi.org/10.1016/j.jallcom.2010.04.113
TI - In situ observation of the reaction of tantalum with nitrogen in a laser heated diamond anvil cell
T2 - Journal of Alloys and Compounds
AU - Friedrich, Alexandra
AU - Winkler, Björn
AU - Bayarjargal, Lkhamsuren
AU - Juarez-Arellano, Erick A
AU - Morgenroth, Wolfgang
AU - Biehler, Jasmin
AU - Schröder, Florian
AU - Yan, Jinyuan
AU - Clark, S.L.
PY - 2010
DA - 2010/07/01 00:00:00
PB - Elsevier
SP - 5-12
IS - 1
VL - 502
SN - 0925-8388
ER -
BibTex |
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BibTex Copy
@article{2010_Friedrich,
author = {Alexandra Friedrich and Björn Winkler and Lkhamsuren Bayarjargal and Erick A Juarez-Arellano and Wolfgang Morgenroth and Jasmin Biehler and Florian Schröder and Jinyuan Yan and S.L. Clark},
title = {In situ observation of the reaction of tantalum with nitrogen in a laser heated diamond anvil cell},
journal = {Journal of Alloys and Compounds},
year = {2010},
volume = {502},
publisher = {Elsevier},
month = {jul},
url = {https://doi.org/10.1016/j.jallcom.2010.04.113},
number = {1},
pages = {5--12},
doi = {10.1016/j.jallcom.2010.04.113}
}
MLA
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Friedrich, Alexandra, et al. “In situ observation of the reaction of tantalum with nitrogen in a laser heated diamond anvil cell.” Journal of Alloys and Compounds, vol. 502, no. 1, Jul. 2010, pp. 5-12. https://doi.org/10.1016/j.jallcom.2010.04.113.
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