Applied Physics A

, Volume 86, Issue 4, pp 447–450 | Cite as

HgS nanoparticles: Structure and optical properties

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Abstract

Nanocrystalline HgS thin films were synthesized by using an electrochemical route under galvanostatic conditions. Quantum size effects have resulted in the change of the semi-metallic behavior of bulk β-HgS (Eg=-0.5 eV) to semiconducting behavior with an absorption onset around 1.4 eV as confirmed from optical absorption studies. Glancing angle X-ray diffraction analysis confirms the presence of β-HgS (zinc-blend structure) with prominent crystallographic planes of (200), (220) and (311) in the deposit. This is consistent with results obtained from transmission electron diffraction studies. The Raman scattering measurements identified a broad 1LO confined phonon mode at 247 cm-1 which suggests that the crystalline sizes are small.

Keywords

HgTe Convergent Beam Electron Diffraction Optical Absorption Study Electrochemical Route Laue Zone 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  1. 1.Sachivalaya MargInstitute of PhysicsBhubaneswarIndia

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