Bacterium MetalCompound Change OpticalModulator LogAmplifier DOE ferromagnetic HiVacuum PANI domain_switching Piezo Ferrite Hole Adhesive SmalScan IIT-chennai Transparent TiO2 Hafnia STO MagneticForceMicroscopy Chemical_Vapor_Deposition Metal-organicComplex Vac Vinylpyridine SKPM Wang thermal_property Gallium PVAC Tungsten_disulfide Display Strontium ULCA PhaseImaging