GaN PvdfBead Blood Ca10(PO4)6(OH)2 optoelectronics pulsed_laser_deposition Roughness cannabinoid FM_KPFM ScanningSpreadingResistanceMicroscopy Composition PECurve Sphere Collagen Growth Chemical Vapor Deposition Step SSRM Ni81Fe19 LateralForceMicroscopy PtfeFilter self_healing Magnetic Force Microscopy Biofilm Force-distance CNT HumanHair Pipette PhthalocyaninePraseodymium Array TemperatureControl PVA CarbonNanotube self_assembly WS2