Graphite-AsF5 intercalation kinetics and diffusion by NMR imaging

Autor:	T. Tsang, G.C. Chingas, J. Milliken, H. A. Resing
Rok vydání:	1985
Předmět:	Chemistry Mechanical Engineering Diffusion Intercalation (chemistry) Kinetics Metals and Alloys Analytical chemistry Condensed Matter Physics Radial direction Electronic Optical and Magnetic Materials Mechanics of Materials Materials Chemistry Graphite Concentration gradient
Zdroj:	Synthetic Metals. 12:131-136
ISSN:	0379-6779
DOI:	10.1016/0379-6779(85)90099-2
Popis:	One-dimensional NMR images of the 19F concentrations have been recorded as functions of time during the intercalation of AsF5 into HOPG at room temperature. The image maintained a constant shape at all times during intercalation, indicating the absence of AsF5 concentration gradient in the radial direction. The NMR gradient diffusion technique was used to determine the macroscopic 19F diffusion coefficient for stage I HOPG/AsF5 at room temperature; the result is D=4×10−6 cm2/sec.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::9ca4003f111415ea099a3e03f375e6fb https://doi.org/10.1016/0379-6779(85)90099-2 Zobrazit plný text záznamu