Composite SurfaceChange LDPE PinPointMode BismuthVanadate Vinylpyridine Ram EFM mono_layer sputter PMNPT Blood pulsed_laser_deposition Hexacontane PVAC GaP Workfunction LightEmiting cross section mechanical_property cooling C_AFM NTU temperature_control SmalScan Sidewall Phthalocyanine Pvdf Heating Worcester_Polytechnic_Institute IISCBangalore Steps conductive Ptfe Lateral