主题词：Radioactivity and Radon Measurements; Quantum Mechanics and Non-Hermitian Physics; Nuclear physics research studies; Electron and X-Ray Spectroscopy Techniques; Nuclear Physics and Applications; Chalcogenide Semiconductor Thin Films; Magnetic Properties and Synthesis of Ferrites; Graphite, nuclear technology, radiation studies; Relativity and Gravitational Theory; Carbon Nanotubes in Composites; Gas Sensing Nanomaterials and Sensors; Atomic and Molecular Physics; Radiation Therapy and Dosimetry; Pigment Synthesis and Properties; Advanced Materials Characterization Techniques; ZnO doping and properties; Quantum Dots Synthesis And Properties; Radiation Shielding Materials Analysis; Nuclear and radioactivity studies; Cosmology and Gravitation Theories; Plasma Applications and Diagnostics; Conducting polymers and applications; Semiconductor materials and interfaces; Copper-based nanomaterials and applications; Heusler alloys: electronic and magnetic properties