P3HT Neodymium Polymer IIT-chennai Barium_titanate Christmas PUR PolymerPatterns PolycrystallineFerroelectricBCZT PtfeMembrane Graphene WPlug self-assembly Subhajjit Gallium PinpointNanomechanicalMode membrane STO BloodCell Epoxy MetalCompound SrO EPFL Filter Hole Cobalt-dopedIronOxide molecular_beam Piranha DomainSwitching #Materials SingleLayer CP-AFM Copper PrCurve graphene_hybrid