thermal_property Pore Layer Collagen PrCurve Pyroelectric FFM phase_change Chungnam_National_University Piezoresponse MfmPhase LateralForce ShenYang self-assembly Magnets SiWafer Hafnia Calcite FloppyDisk hetero_structure HydroGel STM MagneticPhase PyroelectricDetector Cell Yeditepe_University Scanning_Thermal_Microscopy temperature controller AFM ThermalProperties 2-vinylpyridine molecular_beam food Mfm self_assembly ScratchMode