PECurve Grain Wildtype cannabis mechanical property PhaseImaging Ram MagneticPhase AAO CP-AFM StrontiumTitanate Cobalt-dopedIronOxide Spain Polystyrene cannabinoid BismuthVanadate AtomicLayer SolarCell pinpoint mode NCM\ PFM alkanes Scanning_Thermal_Microscopy Reduction SurfaceChange LiNbO3 FFM Subhajjit aluminum_nitride Copper Hexylthiophene UnivOfMaryland NusEce chemical_compound Treatment