Optical absorption and diffusion of iron in ZnSe single crystals

ZnSe:Fe single crystals obtained by the diffusion doping are studied. The spectra of optical density in the range of energies of 0.4–3 eV are studied. The iron concentration in the studied crystals is determined using the magnitude of the shift of the absorption edge. The nature of the optical trans...

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Bibliographic Details
Published inSemiconductors (Woodbury, N.Y.) Vol. 44; no. 4; pp. 444 - 447
Main Authors Vaksman, Yu. F., Nitsuk, Yu. A., Yatsun, V. V., Nasibov, A. S., Shapkin, P. V.
Format Journal Article
LanguageEnglish
Published Dordrecht SP MAIK Nauka/Interperiodica 01.04.2010
Springer
Subjects
Electrical and Optical Properties of Semiconductors
Iron
Magnetic Materials
Magnetism
Optical properties
Physics
Physics and Astronomy
Toy industry
Diffusion Profile
Relative Optical Density
ZnSe Crystal
Visible Spectral Region
ZnSe
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Summary:ZnSe:Fe single crystals obtained by the diffusion doping are studied. The spectra of optical density in the range of energies of 0.4–3 eV are studied. The iron concentration in the studied crystals is determined using the magnitude of the shift of the absorption edge. The nature of the optical transitions determining the optical properties of ZnSe:Fe single crystals in the visible and IR regions of the spectrum is identified. The diffusion profile of Fe impurity is determined by measuring the relative optical density of crystals in the visible spectral region. The diffusivities of Fe in the ZnSe crystals are calculated for temperatures of 1120–1320 K. At 1270 K, the diffusivity of Fe is 3 × 10 −10 cm 2 /s.
ISSN:1063-7826
1090-6479
DOI:10.1134/S1063782610040068