S. R. B. Ferreira

A New Era for Gold Nitrate Nanoparticle Applications

I. T. D. Botelho, S. R. B. Ferreira & W. S. Ferreira · Biotechnology Journal International · 2024

Gold nanoparticles are included in the group of metallic nanoparticles, and their application has become possible recently because of new optical equipment, electronic devices, and probes capable of manufacturing, detecting, and identifying biomolecules of medical interest. Among...

Open access Research Article 10.9734/bji/2024/v28i1708

Computational Study of Optical Properties of Calcium Tungstate (CaWO4) Based on Density Functional Theory (DFT)

J. V. M. Silva, I. T. D. Botelho, M. L. da C. Almeida, S. R. B. Ferreira & W. S. Ferreira · Physical Science International Journal · 2025

This study theoretically investigated the optical properties of calcium tungstate (CaWO₄) in its scheelite phase using first-principles calculations based on Density Functional Theory (DFT), aiming to understand its interaction with electromagnetic radiation and assess its potent...

Open access Research Article 10.9734/psij/2025/v29i4895