PDMS thermal_conductivity DLaTGS food hard_disk_media HDD GlassTemperature VerticalPFM TransitionMetal BFO BTO TungstenDeposition Crystal OpticalModulator MechanicalProperty PMNPT Fujian ShenYang MagneticPhase SingleLayer Piezoresponse amplitude_modulation LightEmission Conductive AFM SingleCrystal Tapping CeramicCapacitor electrospinning MultiLayerCeramicCapacitor Bismuth PinPointMode STM PhaseTransition StainlessSteel Piezoelectric