Abstract

Degree of graphitization, average interlayer spacing and crystallite sizes were measured on various kinds of carbon materials. The relation between graphitization degree P 1 and average interlayer spacing d̄ 002 was found to show a downward deflection; the increase in P 1 value was retarded in comparison with the approach of the d̄ 002 value to 0.3354 nm. The deflection depended strongly on the texture of carbon samples in the nanometric scale. The existence of structural strain in carbon materials had a stronger effect on the relation to d̄ 002 than that to P 1. This is the reason why the relation between P 1 and d̄ 002 shows the downward deflection.

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