Spincast suspended_graphene thermal_property FrictionForce Nanotechnology polymeric_arrays Al2O3 India contact Ni81Fe19 piezoelectric force microscopy HardDisk SiliconeOxide Nanopattern flakes ForceVolumeMapping Vacuum Force-distance SolarCell PtfeFilter IIT-chennai DomainSwitching GalliumPhosphide PyroelectricDetector kelvin probe force microscopy GaP MultiLayerCeramicCapacitor CntFilm Hole Hexatriacontane NUS_NNI_Nanocore OpticalWaveguides PolycrystallineFerroelectricBCZT HighAspect norganic