X-Ray Diffraction Studies of Structural Dimensionality in Carbon Fibers


Diffraction patterns of carbon fibers have been recorded photographically using monochromatized MoKα radiation. <00ℓ> and <hk0> reflections are observed for fibers pyrolyzed at lower temperatures. The absence of <hkℓ> reflections suggests that the graphite planes are turbostratic. A three-dimensional structural transition is manifest in the appearance of <hkℓ> reflections. The results suggest that the degree of three dimensionality increases progressively through the sample as a function of increasing temperature of pyrolysis. There is no evidence for coexistence of three dimensional and tubostratic phases. It is further demonstrated that turbostratic carbon fibers may be intercalated to stage two with AsF5.

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Correspondence to James Stamatoff.

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Stamatoff, J., Goldberg, H. & Kalnin, I. X-Ray Diffraction Studies of Structural Dimensionality in Carbon Fibers. MRS Online Proceedings Library 20, 57 (1982). https://doi.org/10.1557/PROC-20-57

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