Electronic and Optical Properties of Heterostructures based on Indium Chalcogenides

• Authors: L. Kharkhalis , K. Glukhov , T. Babuka
• Languages of publication: EN

Abstracts

EN

The models of the heterostructures based on the β-InSe, In₄Se₃ and In₄Te₃ crystals were proposed and the first-principles study of their electronic and optical properties were presented. The band spectra, the spatial distributions of the electron density and the absorption coefficients for different polarizations along crystal axes for the heterostructures of the (In₄Se₃)_m/(In₄Te₃)_m and β-InSe/In₄Se₃ type were calculated. The evolution of the changes in both energy spectrum and optical functions of the heterostructures in comparison with the bulk crystals has been analyzed. Our calculations point out the heterostructures stability and good agreement with the experimental investigations of the photosensitivity in the near and middle infrared region.

Keywords

EN

31.15.A-; 31.15.ae; 71.15.Mb; 71.20.-b; 74.20.Pq; 73.21.Cd

Discipline

• 74.20.Pq: Electronic structure calculations(for methods of electronic structure calculations, see 71.15.-m)
• 31.15.A-: Ab initiocalculations
• 71.20.-b: Electron density of states and band structure of crystalline solids
• 73.21.Cd: Superlattices
• 31.15.ae: Electronic structure and bonding characteristics
• 71.15.Mb: Density functional theory, local density approximation, gradient and other corrections

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2017
• Volume: 132
• Issue: 2
• Pages: 319-321

Dates

published

2017-08

Contributors

author

L. Kharkhalis

• Institute of Physics and Chemistry of Solid State, Uzhgorod National University, Voloshyn St. 54, 88000 Uzhgorod, Ukraine

author

K. Glukhov

• Institute of Physics and Chemistry of Solid State, Uzhgorod National University, Voloshyn St. 54, 88000 Uzhgorod, Ukraine

author

T. Babuka

• Institute of Physics and Chemistry of Solid State, Uzhgorod National University, Voloshyn St. 54, 88000 Uzhgorod, Ukraine
• Institute of Physics, Faculty of Mathematics and Natural Science, Jan Długosz University in Częstochowa, Al. Armii Krajowej 13/15, 42-200 Częstochowa, Poland

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Identifiers

DOI

10.12693/APhysPolA.132.319