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The "Degree of graphitization" is an antique concept that it not only wrong but ambiguous.  Surely you can see that it is simply another way of giving the average interlayer spacing?  You mention Lc but it is impossible to obtain a value from only one peak.  What you have measured are the peak position (interlayer spacing) and the peak width.  It is sufficient to give only these values.  A wider peak is usually associated with a smaller Lc, but not always.  Do not derive useless numbers from your measurements.

[ Last edited by qingshaojun0823 on 2009-11-8 at 20:17 ]

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