Lanthanum_aluminate Ecoli Ptfe PolyStylene AM_KPFM layers SKPM PolymerBlend PFM align molecules Morphology Current InLiquid ThermalConductivity FFM pinpoint mode Lateral_Force_Microscopy PyroelectricDetector CuParticle Transparent Graphite Polarization VortexCore Subhajjit Styrene Nanotechnology Growth LateralForce temperature_control block_copolymer Patterns KelvinProbeForceMicroscopy NiFe nanobar