Optical and structural properties of Sb₂S₃/MgF₂multilayers for laser applications

Abstract

Multilayers of MgF2 and Sb2S3 have been obtained by physical vapour deposition on glass substrates. Changes in the optical and structural properties have been studied as a function of annealing temperature and the number of layers. A drastic variation in optical transmission, microstrain and grain size is observed at a temperature near 225 °C. A comparison of the material properties of multilayers and a monolayer is carried out.

Band versus Polaron: Charge Transport in Antimony Chalcogenides

“…This agrees well with previous experimental reports that the defect density is crucial to the carrier transport in Sb 2 X 3 , whereby bulk defect densities above 10 15 cm –3 led to significant degradation in conversion efficiency. − Furthermore, considering that most experimental mobility measurements in Sb 2 X 3 were obtained from thin films, where grain boundary (GB) scattering will further lower the mobility, we also tested the inclusion of mean free path scattering. According to our results (Figure S2 and Table S3), the mobilities in Sb 2 X 3 are not significantly affected by GB scattering, even with grain sizes down to 10 nmmuch smaller than the domain sizes typically seen in experiments. − Accordingly, our results suggest that GB scattering is unlikely to be a dominant source of scattering in Sb 2 X 3 thin films, in agreement with previous studies …”

Microstructural and Optical Properties of Sb2S3 Film Thermally Evaporated from Antimony Pentasulfide and Efficient Planar Solar Cells

“…Some other method, atomic layer deposition with precise thickness deposition was also applied in planar Sb 2 S 3 solar cells and a efficiency of 5.7% was achieved, but this method is not so commonly used . Besides the methods mentioned above, thermal evaporation has also been used to prepare Sb 2 S 3 films, and CdS/Sb 2 S 3 heterojunction solar cells have reached a power conversion efficiency of 3.01% and long‐term stability . The thermal evaporation method showed the advantage for future large‐scale fabrication.…”

Ion‐modified nanoparticles induce different apatite formation in cervical dentine

“…From the X‐ray micro‐diffraction pattern, the size and the preferred orientation of the crystallites were calculated (Perales et al . , Xue et al . ): …”