Plasma synthesis and characterization of ultrafine SiC
Conference
·
OSTI ID:5728161
Ultrafine SiC powders have been prepared by gas phase synthesis from silane and methane in an argon thermal rf-plasma. Bulk properties of the powders were determined by elemental analysis, x-ray diffractin, helium pycnometry, and BET surface area measurements. The near-surface composition and structure of the particles were examined by x-ray photoelectron spectroscopy (XPS) and transmission electron microscopy (TEM). In addition to free silicon and carbon particles in the powders, free carbon and various silicon/carbon/oxygen species were found on the surface of the SiC particles.
- Research Organization:
- Los Alamos National Lab., NM (USA)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 5728161
- Report Number(s):
- LA-UR-86-2130; CONF-860883-1; ON: DE86012403
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
CARBIDES
CARBON COMPOUNDS
ELECTRON MICROSCOPY
ELECTRON SPECTROSCOPY
MICROSCOPY
PHOTOELECTRON SPECTROSCOPY
POWDERS
SILICON CARBIDES
SILICON COMPOUNDS
SPECTROSCOPY
SURFACE PROPERTIES
SYNTHESIS
TRANSMISSION ELECTRON MICROSCOPY
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
CARBIDES
CARBON COMPOUNDS
ELECTRON MICROSCOPY
ELECTRON SPECTROSCOPY
MICROSCOPY
PHOTOELECTRON SPECTROSCOPY
POWDERS
SILICON CARBIDES
SILICON COMPOUNDS
SPECTROSCOPY
SURFACE PROPERTIES
SYNTHESIS
TRANSMISSION ELECTRON MICROSCOPY