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Preparation and electrical conductivity of fluorine-graphite fiber intercalation compound

โœ Scribed by T. Nakajima; N. Watanabe; I. Kameda; M. Endo


Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
856 KB
Volume
24
Category
Article
ISSN
0008-6223

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๐Ÿ“œ SIMILAR VOLUMES


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The rate of fluorine intercalation in graphite is larger in the present system than in other metal fluorides examined previously. X-ray diffraction data indicate that C,F belongs to a hexagonal system with a superlattice of a, = 2a, in the ab plane, accompanying some amount of a bi-intercalation pha

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The graphite intercalation compound (GIG) of titanium fluoride has been prepared in a fluorine atmosphere. The GICs prepared from natural graphite and pitch-based carbon fiber were mostly stage-2 compounds with repeat distance 11.28-11.59 A and composition Cll\_15TiF4.1\_6 >. The ESCA spectrum indic

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Graphite intercalation compounds (GIC) of vanadium fluoride have been prepared in a fluorine atmosphere. The GICs prepared from highly oriented pyrolytic graphite (HOPG) were stage l-8 compounds with composition, &\_B,VF,,,\_,,. The apparent size of intercalated VF;(d,) decreased from 5.33 A to 4.15

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A graphite intercalation compound of C,F(MgF& was prepared under a fluorine atmosphere of 1 atm at temperatures of 20-350ยฐC. The 1st stage compound has the identity period of 9.3-9.4& ESCA and @F NMR spectra indicate that the chemical interaction of intercalated fluorine with carbon is similar to th

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Temperature dependence of the resistivity has been measured between 4.2 K and 273 K on C,F, C,TiF, and C,VF,. The resistivity obeys the equation, p(T) = A + BT + CT\* in the temperature range up to around 170 K and 220 K, where C,F and C,VF, exhibit anomalous inflections possibly connected with phas