Pressure-induced stability and polymeric nitrogen in alkaline earth metal N-rich nitrides (XN6, X = Ca, Sr and Ba): a first-principles study
Author:
Affiliation:
1. School of Physics and Optoelectronic Engineering
2. Shandong University of Technology
3. 250049 Zibo
4. China
Abstract
The Fddd-SrN6 structure can transform into P1̄-SrN6, and polymerized to infinite nitrogen chain structures at P = 22 GPa. For BaN6, the Fmmm-BaN6 structure can transform into C2/m-BaN6, and polymerized to N6 ring network structure at P = 110 GPa.
Funder
Natural Science Foundation of Shandong Province
Shandong University of Technology
Publisher
Royal Society of Chemistry (RSC)
Subject
General Chemical Engineering,General Chemistry
Link
http://pubs.rsc.org/en/content/articlepdf/2021/RA/D1RA01631H
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