LaC2 Encapsulated in Graphite Nano-Particle
- 1 February 1993
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 32 (2B) , L280
- https://doi.org/10.1143/jjap.32.l280
Abstract
Arc discharging carbon rods containing 8.8 wt% La2O3 produces a carbonaceous deposit containing nano-particles (nm-size particles) consisting of graphite shells around core nano-crystals averaging 10-30 nm in diameter but sometimes 3-4 nm. Transmission electron microscopy, nm-size electron diffraction and electron energy-loss spectroscopy have revealed that the nano-crystals are La-carbide, LaC2, that the interfaces between the carbide and the graphite are flat, and that no intermediate layers are formed.Keywords
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