DataStorage Boron sputter Formamidinium_lead_iodide PrCurve LiquidCell Wonseok Calcite hard_disk_media NanoLithography IIT-chennai Pzt Crystal Solar AM-KPFM Gallium Piranha FrictionForce Hole ContactMode Wildtype Filter Wang cannabidiol Praseodymium Reading GlassTemp NtuEee Terrace Barium_titanate piezoelectric force microscopy ForceMapping BismuthFerrite SPMLabs TipBiasMode