Volume 9, Issue 2 (2025) presents a collection of research articles in the fields of instrumentation physics, materials science, geophysics, renewable energy, computational modeling, and applied technology.

This issue comprises original research papers covering tsunami wave modeling, perovskite crystal growth, convolutional-recurrent neural networks for signal processing, lithium-sulfur battery materials, magnetotelluric studies, ZnO nanoparticle synthesis via green methods, aviation meteorology prediction, geoelectric resistivity analysis, agricultural ultrasound innovation, and an article review on organic solar cells.

All articles have undergone a rigorous peer-review process to ensure scientific quality and contribution to the advancement of physics and its applications.

Volume 9 Number 1 (2025) of Jurnal Ilmu dan Inovasi Fisika (JIIF) presents eight peer-reviewed research articles covering diverse topics in physics and its applications.

The articles in this issue explore advancements in carbon quantum dots for bacterial detection, silicon-based photovoltaic development, induced polarization methods for groundwater salinity identification, Arduino-based earthquake monitoring systems, photoluminescence characterization of ZnO crystals, thermoelectric cooling systems for photovoltaic performance enhancement, automated mineral water vending machine prototypes, and hybrid SARIMA-LSTM models for erosion prediction.

These contributions reflect interdisciplinary approaches in materials science, renewable energy systems, geophysics, computational modeling, and applied instrumentation. All manuscripts have undergone a rigorous peer-review process to ensure scientific quality and relevance to the advancement of physics research and innovation.

JIIF continues its commitment to publishing high-quality research in theoretical studies, simulation and modeling, experimental physics, engineering applications, and technological innovation.