In this article, four electronic-structure, density-of-states, projected-density-of-states and dielectric/optical datasets were studied to identify the microscopic O 2p−Hf 5d origin of the electronic gap in cubic BaHfO3 and evaluate the reliability of the optical post-processing...
Open access
Research Article10.9734/ajopacs/2026/v14i3337
This study investigates the influence of TiO₂ nanoparticles on the structural, thermal, and electrochemical properties of PVdF-HFP: NaI based polymer electrolyte films prepared by solution casting. The films were characterized using X-ray diffraction (XRD), Fourier transform infr...
Open access
Research Article10.9734/ajopacs/2026/v14i3336
Lithium-ion battery degradation is influenced by operating temperature, electrical current, depth of discharge (DoD), and charge–discharge cycling. This study presents a computational framework for identifying operating conditions associated with a reduced value of an empirical b...
Open access
Research Article10.9734/ajopacs/2026/v14i3335
Air-quality research in India has predominantly focused on large metropolitan regions, leaving plateau-based Tier-II cities comparatively underexamined. This study assessed the spatio-temporal variability of air quality across five land-use zones in Ranchi, Jharkhand: industrial,...
Open access
Research Article10.9734/ajopacs/2026/v14i3334
Aim: This study assessed the ecological risk posed by six heavy metals [lead (Pb), zinc (Zn), nickel (Ni), copper (Cu), chromium (Cr), and cadmium (Cd)] in soils and surface waters. Study Design: Soil samples were collected at two depths (0–15 and 15–30 cm) from 12 stations acros...
Open access
Research Article10.9734/ajopacs/2026/v14i3333
Previous organic geochemical studies of the hydrocarbon source potential of the Upper Cretaceous Fika and Gongila shales have mainly used bulk geochemical techniques, whereas the contribution of molecular biomarkers to source-rock characterisation remains relatively limited. Ther...
Open access
Research Article10.9734/ajopacs/2026/v14i3332
Termite mound soils are naturally modified through particle transport, clay enrichment, and biochemical binding processes, which can influence their physical and mechanical properties. Evaluating these soils is important for determining their potential suitability as locally avai...
Open access
Research Article10.9734/ajopacs/2026/v14i3331
This study evaluated the phytochemical, proximate and mineral composition of the aqueous leaf extract of Irvingia gabonensis. The extract was prepared from authenticated leaves and analysed using standard qualitative and quantitative phytochemical procedures, proximate methods an...
Open access
Research Article10.9734/ajopacs/2026/v14i3330
This study compared the performance of Multiple Linear Regression (MLR), Multilayer Perceptron (MLP), and a hybrid MLR/MLP model for estimating carbon dioxide fugacity (fCO₂) in the surface waters of Vridi Canal. Measurements and supporting hydroclimatic data collected between Ma...
Open access
Research Article10.9734/ajopacs/2026/v14i3328
This study assessed heavy metal concentrations in soils around the Kalsaka gold mine in Burkina Faso and evaluated the associated human health risks for adults and children. Sixteen soil samples were collected from locations surrounding the mine and analysed for chromium, nickel,...
Open access
Research Article10.9734/ajopacs/2026/v14i3327