主题词：ZnO doping and properties; Gas Sensing Nanomaterials and Sensors; Advancements in Semiconductor Devices and Circuit Design; Chalcogenide Semiconductor Thin Films; Semiconductor materials and devices; Semiconductor materials and interfaces; Semiconductor Quantum Structures and Devices; Silicon and Solar Cell Technologies; Copper-based nanomaterials and applications; GaN-based semiconductor devices and materials; Quantum Dots Synthesis And Properties; Thin-Film Transistor Technologies; biodegradable polymer synthesis and properties; Aluminum Alloy Microstructure Properties; solar cell performance optimization; Advanced ceramic materials synthesis; Silicon Carbide Semiconductor Technologies; Magnetic and transport properties of perovskites and related materials; Electrospun Nanofibers in Biomedical Applications; Material Properties and Applications; Nanofluid Flow and Heat Transfer; Advanced machining processes and optimization; Essential Oils and Antimicrobial Activity; Photovoltaic System Optimization Techniques; Conducting polymers and applications