Regensburg Leakage Ca10(PO4)6(OH)2 Pores ThermalDetectors Vacuum Ceramics PinpointNanomechanicalMode Annealed Wonseok Perovskite kelvin probe force microscopy Mobile PinpointPFM ItoGlass FAPbI3 SKKU TemperatureControllerStage Floppy fifber fluorocarbon HiVacuum CopperFoil Mfm CeNSE_IISc PrCurve Bacterium Reduction PinPointMode Hexatriacontane HBN Conductivity Barium_titanate ScanningTunnelingMicroscopy Cell