Biofilm Fiber amplitude_modulation Reading Patterns HumanHair HBN piezoelectric force microscopy SiWafer Conduct Vacuum Polydimethylsiloxane CopperFoil BiVO4 LaAlO3 Mfm membrane FastScan Layer SRAM Sidewall FailureAnalysis I-VSpectroscopy ForceDistanceSpectroscopy Deposition Gallium_Arsenide FM_KPFM HighAcpectRatio hard_disk_media Wang PolyimideFilm Calcium BCZT ring shape Composition