Journal of Physics Condensed Matter, volume 35, issue 28, pages 285501

Predicted the structural diversity and electronic properties of Pt−N compounds under high pressure

Quanchao Feng
Xiao Xun
Wei Dai
Weiguo Sun
Kewei Ding
Cheng Lu
Publication typeJournal Article
Publication date2023-04-20
Quartile SCImago
Q2
Quartile WOS
Q3
Impact factor2.7
ISSN09538984, 1361648X
Condensed Matter Physics
General Materials Science
Abstract

The nitrogen-rich transition metal nitrides have attracted considerable attention due to their potential application as high energy density materials. Here, a systematic theoretical study of PtN x compounds has been performed by combining first-principles calculations and particle swarm-optimized structure search method at high pressure. The results indicate that several unconventional stoichiometries of PtN2, PtN4, PtN5, and Pt3N4 compounds are stabilized at moderate pressure of 50 GPa. Moreover, some of these structures are dynamically stable even when the pressure release to ambient pressure. The P 1 ˉ phase of PtN4 and the P 1 ˉ phase of PtN5 can release about 1.23 kJ g−1 and 1.71 kJ g−1, respectively, upon the decomposition into elemental Pt and N2. The electronic structure analysis shows that all crystal structures are indirect band gap semiconductors, except for the metallic Pt3N4 with Pc phase, and the metallic Pt3N4 is a superconductor with estimated critical temperature T c values of 3.6 K at 50 GPa. These findings not only enrich the understanding of transition metal platinum nitrides, but also provide valuable insights for the experimental exploration of multifunctional polynitrogen compounds.

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Feng Q. et al. Predicted the structural diversity and electronic properties of Pt−N compounds under high pressure // Journal of Physics Condensed Matter. 2023. Vol. 35. No. 28. p. 285501.
GOST all authors (up to 50) Copy
Feng Q., Xun X., Dai W., Sun W., Ding K., Lu C. Predicted the structural diversity and electronic properties of Pt−N compounds under high pressure // Journal of Physics Condensed Matter. 2023. Vol. 35. No. 28. p. 285501.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1088/1361-648x/acccc5
UR - https://doi.org/10.1088/1361-648x/acccc5
TI - Predicted the structural diversity and electronic properties of Pt−N compounds under high pressure
T2 - Journal of Physics Condensed Matter
AU - Feng, Quanchao
AU - Xun, Xiao
AU - Dai, Wei
AU - Sun, Weiguo
AU - Ding, Kewei
AU - Lu, Cheng
PY - 2023
DA - 2023/04/20 00:00:00
PB - IOP Publishing
SP - 285501
IS - 28
VL - 35
SN - 0953-8984
SN - 1361-648X
ER -
BibTex |
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BibTex Copy
@article{2023_Feng,
author = {Quanchao Feng and Xiao Xun and Wei Dai and Weiguo Sun and Kewei Ding and Cheng Lu},
title = {Predicted the structural diversity and electronic properties of Pt−N compounds under high pressure},
journal = {Journal of Physics Condensed Matter},
year = {2023},
volume = {35},
publisher = {IOP Publishing},
month = {apr},
url = {https://doi.org/10.1088/1361-648x/acccc5},
number = {28},
pages = {285501},
doi = {10.1088/1361-648x/acccc5}
}
MLA
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MLA Copy
Feng, Quanchao, et al. “Predicted the structural diversity and electronic properties of Pt−N compounds under high pressure.” Journal of Physics Condensed Matter, vol. 35, no. 28, Apr. 2023, p. 285501. https://doi.org/10.1088/1361-648x/acccc5.
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