ANGGARA BUDI SUSIAL et al. The Influence of pH on Structural, Morphological, and Optical Properties of Al2O3 Nanoparticles Synthesized by Syzygium aromaticum Leaf Extract . Jurnal Sains Materi Indonesia, [S. l.], v. 27, n. 2, p. 71–76, 2026. DOI: 10.55981/jsmi.2026.10067. Disponível em: https://ejournal.brin.go.id/jsmi/article/view/10067. Acesso em: 25 feb. 2026.