SYNTHESIS OF Bi0.5Na0.5TiO3 (BNT) ECOFRIENDLY PIEZOELECTRIC MATERIAL BY MOLTEN SALT METHOD - Yulianti, Evi; Pusat Teknologi Bahan Industri Nulir (PTBIN) - BATAN Kawasan Puspiptek, Serpong 15314, Tangerang Selatan (BATAN, 2013)