主题词：Phase-change materials and chalcogenides; Chalcogenide Semiconductor Thin Films; Glass properties and applications; Photonic and Optical Devices; ZnO doping and properties; Metal and Thin Film Mechanics; Solid-state spectroscopy and crystallography; Gas Sensing Nanomaterials and Sensors; Advanced Fiber Optic Sensors; GaN-based semiconductor devices and materials; Quantum Dots Synthesis And Properties; Silicon Nanostructures and Photoluminescence; Semiconductor Lasers and Optical Devices; Semiconductor materials and devices; Diamond and Carbon-based Materials Research; Thin-Film Transistor Technologies; Conducting polymers and applications; Magnetic Properties and Applications; Rare-earth and actinide compounds; Theoretical and Computational Physics; Transition Metal Oxide Nanomaterials; Analytical Chemistry and Sensors; Magnetic Properties of Alloys; Semiconductor materials and interfaces; Copper-based nanomaterials and applications