Journal of Physical Chemistry C, volume 121, issue 21, pages 11037-11046

Emergence of Novel Polynitrogen Molecule-like Species, Covalent Chains, and Layers in Magnesium–Nitrogen MgxNy Phases under High Pressure

Shuyin Yu 1, 2
Bowen Huang 3
Qingfeng Zeng 1, 2
A. R. Oganov 2, 4, 5, 6
LITONG ZHANG 1
Publication typeJournal Article
Publication date2017-05-11
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor3.7
ISSN19327447, 19327455
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Physical and Theoretical Chemistry
General Energy
Abstract
Stable structures and stoichiometries of binary Mg–N compounds are explored at pressures from ambient up to 300 GPa using ab initio evolutionary simulations. In addition to Mg3N2, we identified five nitrogen-rich compositions (MgN4, MgN3, MgN2, Mg2N3, and Mg5N7) and three magnesium-rich ones (Mg5N3, Mg4N3 and Mg5N4), which have stability fields on the phase diagram. These compounds have peculiar structural features, such as N2 dumbbells, bent N3 units, planar SO3-like N(N)3 units, N6 six-membered rings, 1D polythiazyl S2N2-like nitrogen chains, and 2D polymeric nitrogen nets. The dimensionality of the nitrogen network decreases as magnesium content increases; magnesium atoms act as a scissor by transferring valence electrons to the antibonding states of nitrogen sublattice. In this context, pressure acts as a bonding glue in the nitrogen sublattice, enabling the emergence of polynitrogen molecule-like species and nets. In general, Zintl–Klemm concept and molecular orbital analysis proved useful for ration...

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Yu S. et al. Emergence of Novel Polynitrogen Molecule-like Species, Covalent Chains, and Layers in Magnesium–Nitrogen MgxNy Phases under High Pressure // Journal of Physical Chemistry C. 2017. Vol. 121. No. 21. pp. 11037-11046.
GOST all authors (up to 50) Copy
Yu S., Huang B., Zeng Q., Oganov A. R., ZHANG L., Frapper G. Emergence of Novel Polynitrogen Molecule-like Species, Covalent Chains, and Layers in Magnesium–Nitrogen MgxNy Phases under High Pressure // Journal of Physical Chemistry C. 2017. Vol. 121. No. 21. pp. 11037-11046.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/acs.jpcc.7b00474
UR - https://doi.org/10.1021/acs.jpcc.7b00474
TI - Emergence of Novel Polynitrogen Molecule-like Species, Covalent Chains, and Layers in Magnesium–Nitrogen MgxNy Phases under High Pressure
T2 - Journal of Physical Chemistry C
AU - ZHANG, LITONG
AU - Yu, Shuyin
AU - Frapper, Gilles
AU - Huang, Bowen
AU - Zeng, Qingfeng
AU - Oganov, A. R.
PY - 2017
DA - 2017/05/11 00:00:00
PB - American Chemical Society (ACS)
SP - 11037-11046
IS - 21
VL - 121
SN - 1932-7447
SN - 1932-7455
ER -
BibTex |
Cite this
BibTex Copy
@article{2017_Yu,
author = {LITONG ZHANG and Shuyin Yu and Gilles Frapper and Bowen Huang and Qingfeng Zeng and A. R. Oganov},
title = {Emergence of Novel Polynitrogen Molecule-like Species, Covalent Chains, and Layers in Magnesium–Nitrogen MgxNy Phases under High Pressure},
journal = {Journal of Physical Chemistry C},
year = {2017},
volume = {121},
publisher = {American Chemical Society (ACS)},
month = {may},
url = {https://doi.org/10.1021/acs.jpcc.7b00474},
number = {21},
pages = {11037--11046},
doi = {10.1021/acs.jpcc.7b00474}
}
MLA
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MLA Copy
Yu., Shuyin, et al. “Emergence of Novel Polynitrogen Molecule-like Species, Covalent Chains, and Layers in Magnesium–Nitrogen MgxNy Phases under High Pressure.” Journal of Physical Chemistry C, vol. 121, no. 21, May. 2017, pp. 11037-11046. https://doi.org/10.1021/acs.jpcc.7b00474.
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