Crystal Structure of Pyrographite and Catalytically Deposited Carbon
- 1. NSC 'Kharkov Institute of Physics and Technology', Kharkov (Ukraine)
Description
By the method of X-ray structure analysis were investigated the crystal structure and phase content of catalytically deposited on the metal nickel from the gas phase (600 degree C and 800 degree C) carbon and pyrographite produced by high temperature treatment (3000...3070 degree C, 30 minutes) of the carbon material of the SP 'Uglecomposit'. Pyrographite has high rate of crystal structure perfection, parameters of the area of the coherent scattering that are close to the Ceylon graphite; d002 equal to (3,361±0,005) A, graphitizing rate - 1; dimensions of the crystal grating: Lc not less 5000 A, La - (380±50) A. Pyrographite grains are mostly oriented in perpendicular to the deposition plane. Catalytically deposited carbon consists of the graphite phase, amorphous carbon and metallic nickel. Graphite phase has a middle rate of crystal structure perfection: d002=(3,3986±0,0005) A, graphitizing rate - 0,48, area of the coherent scattering: Lc=140...180 A, La=100...150 A. The amorphous carbon content is up to 30...42 % from the carbon phases mass
Additional details
Additional titles
- Original title (Russian)
- Кристаллическая структура пирографита и каталитически осажденного углерода
Publishing Information
- Journal Title
- Voprosy Atomnoj Nauki i Tekhniki. Fizika Radiatsionnykh Povrezhdenij i Radiatsionnoe Materialovedenie
- Journal Issue
- no.4/89
- Journal Page Range
- p. 195-199
- ISSN
- 0134-5400
- CODEN
- VAFMDP
INIS
- Country of Publication
- Ukraine
- Country of Input or Organization
- Ukraine
- INIS RN
- 38079593
- Subject category
- S36: MATERIALS SCIENCE;
- Descriptors DEI
- CRYSTAL LATTICES; DEPOSITION; GRAPHITE; LATTICE PARAMETERS; NICKEL; PYROLYTIC CARBON; SUBSTRATES; TEMPERATURE RANGE 0400-1000 K; TEMPERATURE RANGE 1000-4000 K; X-RAY DIFFRACTION
- Descriptors DEC
- CARBON; COHERENT SCATTERING; CRYSTAL STRUCTURE; DIFFRACTION; ELEMENTS; METALS; MINERALS; NONMETALS; SCATTERING; TEMPERATURE RANGE; TRANSITION ELEMENTS