Journal of Materials Science

, Volume 17, Issue 10, pp 2997–3008 | Cite as

X-ray and electron microscopy studies of polysulphur nitride

  • R. H. Hoel
  • D. J. Dingley


(SN) x crystals have been studied by a combination of scanning electron microscopy, transmission electron microscopy and rotating crystal X-ray diffraction. The studies reveal a structure of considerable complexity. The size of individual crystallites is typically a few nanometres by a few tens of nanometres, and their crystal structure is as previously reported by Mikulski and co-workers rather than that reported by Boudeulle. In bulk crystals there is a mosiac spread of approximately 10° in and about the fibre axis. A new twin mode is proposed where crystals twin about a plane perpendicular to the plane defined by individual chains arid is referred to as a (¯102)* mode. The possibility of the existence of at least two other twin modes is also discussed. An alternative orientation relationship between the precursor dimer phase and the final polymer is presented.


Polymer Electron Microscopy Scanning Electron Microscopy Transmission Electron Microscopy Nitride 
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Copyright information

© Chapman and Hall Ltd. 1982

Authors and Affiliations

  • R. H. Hoel
    • 1
  • D. J. Dingley
    • 1
  1. 1.H.H. Wills Physics LaboratoryUniversity of BristolBristolUK

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