Computational analysis explores structural and thermodynamic properties of Ce1−xMxB6 composites, highlighting their potential as plasma-facing materials.
Key Points
The aim is to investigate the key properties of Ce1−xMxB6 composites for use as plasma grid materials in neutral beam injection systems.
Utilized first-principles computational approaches to examine structural and electronic properties.
Analyzed mechanical and thermodynamic behaviors of composites with doping ratios ranging from 0 to 1.
Measured properties like lattice constants, elastic constants, and surface work function.
Doping decreased the surface work function, with Ce0.375Ba0.625B6 showing a minimum of 1.47 eV.
All composites demonstrated mechanical stability and brittle characteristics (B/G < 1.75).
The melting points of composites exceeded 2000 K, indicating excellent thermal stability.