High resolution electron microscopy of molecular crystals. IV. Paraffins and 
their solid solutions

Fryer, J. R.; McConnell, C. H.; Dorset, D. L.; Zemlin, Friedrich; Zeitler, Elmar

doi:10.1098/rspa.1997.0104

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High resolution electron microscopy of molecular crystals. IV. Paraffins and their solid solutions

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Zemlin, Friedrich
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Zeitler, Elmar
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Citation

Fryer, J. R., McConnell, C. H., Dorset, D. L., Zemlin, F., & Zeitler, E. (1997). High resolution electron microscopy of molecular crystals. IV. Paraffins and their solid solutions. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 453(1964), 1929-1946. doi:10.1098/rspa.1997.0104.

Cite as: https://hdl.handle.net/21.11116/0000-0008-E288-F

Abstract

Lattice images of dislocations, growth boundaries and surface structure, of the n-paraffin series have been obtained by high resolution electron microscopy. The crystals were grown so that the chain axes of the paraffin molecules were normal to the incident beam enabling distortion created by chain end interactions to be resolved. Solid solutions of paraffins within four carbon units in length, crystallized without eutectic segregation, irrespective of the even or odd numbers of carbon in the chains. However, for paraffins separated by only one or two carbon units there was lattice exfoliation at the crystal boundaries, which we have interpreted as evidence for an interblock structure with segregation of the minor component to the crystal boundaries.