Inorganic Chemistry, volume 56, issue 13, pages 7494-7500

Bonding Properties of Aluminum Nitride at High Pressure.

Zhao Liu 1
Da Li 1
Shuli Wei 1
Wenjie Wang 1
Fubo Tian 1
Kuo Bao 1
Defang Duan 1
Yu Hou 1
Bingbing Liu 1
Publication typeJournal Article
Publication date2017-06-16
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor4.6
ISSN00201669, 1520510X
Inorganic Chemistry
Physical and Theoretical Chemistry
Abstract
Exploring the bonding properties and polymerization mechanism of stable polymeric nitrogen phases is the main goal of our high-pressure study. The pressure versus composition phase diagram of the Al-N system is established. In addition to the known Fm3̅m phase of AlN, a notable monoclinic phase with N66- anion polymeric nitrogen chains for AlN3 in the pressure range from 43 to 85 GPa is predicted. Its energy density is up to 2.75 kJ·g-1, and the weight ratio of nitrogen is nearly 61%, which make it potentially interesting for the industrial applications as a high energy density material. The high-pressure studies of atomic and electronic structures in this predicted phase reveal that the formation of N66- anion is driven by the sp2 hybridization of nitrogen atoms. The resonance effect between alternating π-bonds and σ-bonds in polymeric nitrogen chains are all responsible for the structural stability. Because of the electrons transfer from aluminums to polymeric nitrogen chains, there is a pseudogap in the electronic structures of AlN3. The N_p electrons form π-type chemical bonds with the neighboring atoms, resulting in the delocalization of π electrons and charge transfer in polymeric nitrogen chains. Furthermore, disparities of charge density distribution between nitrogen atoms in polymeric nitrogen chains are the principal reason for the metallicity.

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Liu Z. et al. Bonding Properties of Aluminum Nitride at High Pressure. // Inorganic Chemistry. 2017. Vol. 56. No. 13. pp. 7494-7500.
GOST all authors (up to 50) Copy
Liu Z., Li D., Wei S., Wang W., Tian F., Bao K., Duan D., Hou Yu., Liu B., Cui T. Bonding Properties of Aluminum Nitride at High Pressure. // Inorganic Chemistry. 2017. Vol. 56. No. 13. pp. 7494-7500.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/acs.inorgchem.7b00980
UR - https://doi.org/10.1021/acs.inorgchem.7b00980
TI - Bonding Properties of Aluminum Nitride at High Pressure.
T2 - Inorganic Chemistry
AU - Wei, Shuli
AU - Wang, Wenjie
AU - Bao, Kuo
AU - Cui, Tian
AU - Liu, Zhao
AU - Li, Da
AU - Tian, Fubo
AU - Duan, Defang
AU - Hou, Yu
AU - Liu, Bingbing
PY - 2017
DA - 2017/06/16 00:00:00
PB - American Chemical Society (ACS)
SP - 7494-7500
IS - 13
VL - 56
SN - 0020-1669
SN - 1520-510X
ER -
BibTex |
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BibTex Copy
@article{2017_Liu,
author = {Shuli Wei and Wenjie Wang and Kuo Bao and Tian Cui and Zhao Liu and Da Li and Fubo Tian and Defang Duan and Yu Hou and Bingbing Liu},
title = {Bonding Properties of Aluminum Nitride at High Pressure.},
journal = {Inorganic Chemistry},
year = {2017},
volume = {56},
publisher = {American Chemical Society (ACS)},
month = {jun},
url = {https://doi.org/10.1021/acs.inorgchem.7b00980},
number = {13},
pages = {7494--7500},
doi = {10.1021/acs.inorgchem.7b00980}
}
MLA
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MLA Copy
Liu, Zhao, et al. “Bonding Properties of Aluminum Nitride at High Pressure..” Inorganic Chemistry, vol. 56, no. 13, Jun. 2017, pp. 7494-7500. https://doi.org/10.1021/acs.inorgchem.7b00980.
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