Electronic and optical properties of ZnSxSe1−x
alloys

• Authors: Zhenbao Feng , Haiquan Hu , Shouxin Cui
• Languages of publication: EN

Abstracts

EN

A series of calculations from first principles have been carried out to study structural, electronic, and optical properties of ZnSxSe1−x alloys. Our results show that the lattice constant scales linearly with sulfur composition. The imaginary parts of the dielectric function are calculated, which are in good agreement with the experimental data. We have also interpreted the origin of the spectral peaks on the basis of band structure and density of states. Additionally, we find that no bowing effect in the absorption edge is observed, unlike other II-VI semiconductor alloys.

Keywords

EN

ZnSxSe1−x alloys; electronic structure; optical properties

Discipline

• 71.15.Ap: Basis sets (LCAO, plane-wave, APW, etc.) and related methodology (scattering methods, ASA, linearized methods, etc.)
• 71.15.Mb: Density functional theory, local density approximation, gradient and other corrections
• 71.20.Lp: Intermetallic compounds
• 78.20.Ci: Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity)

• Publisher: De Gruyter Open
• Journal: Open Physics
• Year: 2009
• Volume: 7
• Issue: 2
• Pages: 340-344

Dates

published

1 - 6 - 2009

online

26 - 4 - 2009

Contributors

author

Zhenbao Feng

• School of Physics Science & Information Technology, Liaocheng University, Shandong, 252059, P. R. China

author

Haiquan Hu

• School of Physics Science & Information Technology, Liaocheng University, Shandong, 252059, P. R. China

author

Shouxin Cui

• School of Physics Science & Information Technology, Liaocheng University, Shandong, 252059, P. R. China

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Identifiers

DOI

10.2478/s11534-008-0146-6