HfO2 BCZT Barium_titanate MolecularSelfAssembly Organic Led AlkaneFilm NeodymiumMagnets organic_polymer Sic FrictionalForce Floppy TemperatureControllerStage AEAPDES Current chemical_compound GaN membrane Reduction StrontiumTitanate molecule Optoelectronic Imprint P3HT oxide_layer Insulator HanyangUniv MechanicalProperties PMNPT graphene_hybrid Conducting NUS_NNI_Nanocore Sphere NUSNNI Polytetrafluoroethylene