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Please use this identifier to cite or link to this item: http://repositorio.ufba.br/ri/handle/ri/13640

Title: Optical band gap of the a-mercuric iodide
Other Titles: Journal of Applied Physics
Authors: Siiva, A. Ferreira da
Souza, J. Caetano de
Silva, A. V. Batista da
Farias, P. Char
Cruz, M. T. F. da
Veissid, N.
Issue Date: 1995
Publisher: Journal of Applied Physics
Abstract: We investigate by photoacoustic spectroscopy the optical band-gap energy of mercuric iodide, a-HgI*, grown by sublimation in a sealed ampoule. Due to its importance as a detector material operating at ambient temperature, the physical properties of a-HgI, have been recently studied. We found, by two different methods, the band-gap energies E,=2.32 and 2.39 eV, respectively. These results are in good agreement with recent measurements based on reflection and absorption spectra.
Description: p. 5821-5823
URI: http://repositorio.ufba.br/ri/handle/ri/13640
ISSN: 0021-8979
Appears in Collections:Artigos Publicados em Periódicos (FIS)

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