Electron Optical Investigation of Growth-Induced Inhomogeneities of Synthetic Hg2Cl2 Monocrystals

✍ Scribed by R. Ramlau; M. Reiche; J. Heydenreich

• Publisher: John Wiley and Sons
• Year: 1982
• Tongue: English
• Weight: 589 KB
• Volume: 17
• Category: Article
• ISSN: 0232-1300
• DOI: 10.1002/crat.2170170405

✦ Synopsis

Abstract

The submicroscopic structure of synthetic Hg~2~Cl~2~ monocrystals was investigated by means of transmission electron microscopy (TEM), scanning electron microscopy (SEM), indirect imaging of surfaces (Pt/C replica technique) as well as by application of supplementary methods. As already reported by NEUMANN et al., TEM‐images show a periodic stripelike contrast whose period varies from 0.1 m̈m to 0.2 m̈m. It proved that the stripelike contrast arises from a periodic chemical inhomogeneity of the synthetic crystals. The chemical inhomogeneity probably consists in periodic deviations from the stoichiometric composition of Hg~2~Cl~2~. By reason of the orientation on {110}‐, (001)‐, and {114} faces a reconstruction of arrangement of the structures in the crystals is carried out. According to that, the stripes have to be interpreted as intersection lines of 2‐dimensional formations with the corresponding faces.