Plasmonic Enhancement in Bimetallic Ag/Au–GST–BP Multilayer  SPR Structures for VOC Detection. Indian Journal of Pure & Applied Physics (IJPAP), [S. l.], v. 64, n. 5, p. 566–578, 2026. DOI: 10.56042/ijpap.v65i5.28566. Disponível em: https://or.niscpr.res.in/index.php/IJPAP/article/view/28566. Acesso em: 30 may. 2026.