Ultrafast nonlinear absorption properties of Ag/Sb2Se3 composite films in the near-infrared region
Source abstract
Abstract
Abstract To explore the nonlinear absorption(NLA) properties of the Sb2Se3 composite system, Ag/Sb2Se3 composite films were prepared by magnetron sputtering at room temperature, and part of the films were annealed under 300 °C. The NLA properties were investigated using femtosecond(fs) Z-scan technology under 800 nm. The results showed that Ag/Sb2Se3 and annealed-Ag/Sb2Se3 composite films exhibited reverse saturated absorption(RSA) and saturated absorption(SA), respectively. The results indicated that annealing could tunable the NLA types of composite films. Furthermore, Ag can strengthen the NLA properties of the Ag/Sb2Se3 composite films compared with the single Sb2Se3. By increasing Ag sputtering power and incident laser energy, the NLA properties of composite films are enhanced. This study provides a new perspective for the application of Ag/Sb2Se3 composite films in optoelectronic devices.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Nonlinear Optical Materials Studies · Chalcogenide Semiconductor Thin Films · Phase-change materials and chalcogenides
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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