Galfenol CHRYSALIS_INC ThermalDetectors dielectric trench TemperatureControllerStage Scanning_Thermal_Microscopy Yeditepe_University Electical&Electronics AAO Vac tip_bias_mode ThermalConductivity SKKU Nanotechnology KevlarFiber small_scan Bio Terrace Topography conductive ConductiveAFM GalliumPhosphide Pore margarine Organic ScanningSpreadingResistanceMicroscopy mechanical property C60H122 3-hexylthiophene cross section Zhi FAFailureAnlaysis SThM plastic molecules