Influence of X-ray irradiation on the optical absorption edge and refractive index dispersion in Cu6PS5I-based thin films deposited using magnetron sputtering
Journal Title: Semiconductor Physics, Quantum Electronics and Optoelectronics - Year 2017, Vol 20, Issue 2
Abstract
Cu6PS5I-based thin films were deposited using non-reactive radio-frequency magnetron sputtering. Structural studies of thin films were performed by scanning electron microscopy, their chemical composition were determined using energy-dispersive X-ray spectroscopy. As-deposited thin films were irradiated with wideband radiation of Cu-anode X-ray tube at different exposition times. Optical transmission spectra of X-ray irradiated Cu5.56P1.66S4.93I0.85 thin films were measured depending on irradiation time. The Urbach absorption edge and dispersion of refractive index for X-ray irradiated Cu5.56P1.66S4.93I0.85 thin films were studied. It has been revealed the nonlinear decrease of energy pseudogap and nonlinear increase of refractive index with increase of X-ray irradiation time.
Authors and Affiliations
I. P. Studenyak, M. M. Kutsyk, A. V. Bendak, V. Yu. Izai, P. Kúš, M. Mikula
Modeling of ionizing radiation effect on static and dynamic behavior of vertical cavity surface emitting lasers
In this work, the effect of ionizing radiation on static and dynamic behavior of Vertical Cavity Surface Emitting Laser (VCSEL) was investigated numerically. First, the model of dynamic behavior before irradiation has be...
Electron transport through nanocomposite SiO2(Si) films containing Si nanocrystals
The current transport through insulating SiO2 films with silicon nanocrystals in Si/SiO2(Si)/Al structures has been investigated in the wide range of temperatures (82…350 K). The nanocomposite SiO2(Si) films containing t...
Drift correction of the analyzed area during the study of the lateral elemental composition distribution in single semiconductor nanostructures by scanning Auger microscopy
The main difficulty in obtaining the lateral elemental composition distribution maps of the semiconductor nanostructures by Scanning Auger Microscopy is the thermal drift of the analyzed area, arising from its local heat...
Design and characterization of nanostructured SERS substrates based on gold nanostars
Using the method of chemical synthesis, effective SERS substrates were developed, which were the films of gold nanoparticles possessing the form of stars. The peculiarity of star-shaped nanoparticles is that they could e...
Inversion of spin levels in exchange-coupled pairs under combined time reversal
The method for transforming antiferromagnetic exchange interaction into the ferromagnetic one has been proposed for binuclear coordination compounds, which contain dimers consisting of iron or rare earth ions with arbitr...