Thermal KAIST PyroelectricDetector Ferrite Water ThinFilm Topography Oxide temperature controller AFM PinpointPFM Celebration SmalScan PetruPoni tip_bias_mode Inorganic Polyvinylidene Gallium PS_PVAC RedBloodCell Deposition STM Nanostructure Chromium BiVO4 KPFM mfm_amplitude thermal_property TriGlycineSulphate PhthalocyaninePraseodymium Defect FuelCell layers Fluoride Memory IcelandSpar