Protein Semiconductor IIT-chennai Iron Sio2 oxide_layer Pyroelectric DataStorage Melt Bacterium LiftMode MBE Sulfur PS_PVAC aluminum_nitride ScanningTunnelingMicroscopy TungstenThinFilmDeposition Lift CrAu fluoroaalkane Materials hydrocarbon Memory Steps Polyvinylidene Hafnia Pores LowDensityPolyethylene hard_disk_media TyphimuriumBiofilm Hole AlkaneFilm MfmPhase YttriaStabilizedZirconia EFMAmplitude