Bacterium BiFeO3 small_scan Polyvinylidene C36H74 IVSpectroscopy HBN Materials Etch HexagonalBoronNitride Styrene Vortex mechanical property kelvin probe force microscopy biocompatible CntFilm AtomicLayer Granada Cobalt Silver ReflexLens Polyurethane epitaxy Gallium_Arsenide Pyroelectric Genetic ScanningKelvinProbeMicroscopy Lanthanum_aluminate mechanical_property Chungnam_National_University INSPParis light_emission Ferrite Metal Lattice