Wafer OpticalElement Fiber gallium_nitride Foil HafniumDioxide Crystal Array Memory Praseodymium ContactModeDot MultiferroicMaterials Roughness HardDiskMedia Graphite YszSubstrate TyphimuriumBiofilm BoronNitride Scanning_Thermal_Microscopy TappingMode vertical_PFM Chemical Vapor Deposition PtfeFilter Ceramic Heating Perovskite IndiumTinOxide PhaseTransition MoirePattern FrictionalForce NeodymiumMagnets Piranha CarbonNanotube VinylAlcohol polymeric_arrays