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Updated: Aug 3, 2025

Preparation and Reactivity of Gasless Nanostructured Energetic Materials
Published on: April 2, 2015
High-Pressure Coupling Reactions to Produce a Spherical Bulk ReN/Fe3N Composite
Hengyuan Zhang1, Binbin Wu1, Jingyi Liu1
1Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China.
Abstract:
We report a novel high-pressure coupling (HPC) reaction that couples the nitridation of Re with high-pressure solid-state metathesis (HPSSM) of Fe3N to produce a spherical bulk ReN/Fe3N composite. Compared with conventional methods, upon coupling of the HPSSM reactions, the synthetic pressure for Re nitridation was successfully reduced from 13 to 10 GPa (for Re3N) and from 20 to 15 GPa (for Re2N). The product ReN species would be surrounded by product Fe3N, resulting in a spherical bulk ReN/Fe3N composite (x = 2 or 3). The composite exhibits a soft magnetic behavior, and the content of nitrogen in ReN (x = 2 or 3) was controlled by adjusting the P-T conditions. The HPC reaction establishes a new approach for the bulk synthesis of 5d transition metal nitride.
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