Pressure-stabilized polymerization of nitrogen in alkaline-earth-metal strontium nitrides
Shuli Wei, Lili Lian, Yan Liu, Da Li, Zhao Liu, Tian Cui
Abstract
We predicted several N-rich structures under high pressure. <italic>C</italic>2/<italic>c</italic>-SrN<sub>4</sub> can make the ambient-pressure recovery possible. The energy densities for <italic>C</italic>2/<italic>m</italic>-SrN<sub>3</sub> and <italic>P</italic>1̄-SrN<sub>5</sub> are 1.08 and 1.09 kJ g<sup>−1</sup>, respectively, similar to that of common energy materials.
Topics & Concepts
Alkaline earth metalNitrideStrontiumMetalNitrogenPolymerizationStoichiometryDelocalized electronPhase (matter)Materials scienceChemistryInorganic chemistryCrystallographyChemical physicsPolymerPhysical chemistryNanotechnologyOrganic chemistryLayer (electronics)Boron and Carbon Nanomaterials ResearchMetal and Thin Film MechanicsEnergetic Materials and Combustion