NiFe NUS InorganicCompound EFMAmplitude P3HT block_copolymer Sapphire Polyethylene ScanningThermalMicroscopy #EC Subhajjit thermal_conductivity Typhimurium atomic_steps HardDisk Blend MagneticForceMicroscopy Conductivity hydrocarbon graphene_hybrid Display SThM Composite OrganicCompound piezoelectric force microscopy Crystal GalliumPhosphide CuParticle SSRM BTO Vanadate Nanostructure STO LightEmiting Potential