PhaseChange Protein Nanotechnology PtfeMembrane CuSubstrate gallium_nitride blended polymers Typhimurium University_of_Regensburg Pipette Polyethylene NUS_Physics Subhajjit Etch Phenanthrene #Materials BiasMode LiftMode MeltingPoint SoftSample Hole IndiumTinOxide SrTiO3 LaAlO3 3-hexylthiophene VortexCore LiquidCell thermal_conductivity HighAspect STM Display ContactModeDots Butterfly AM_SKPM align