ConductiveAFM Vac Varistor Plug Photovoltaics graphene_hybrid HfO2 PMNPT IISCBangalore VinylAlcohol thermoplastic_elastomers MfmPhase ElectroChemical FrictionForce PANI TPU GaN Phenanthrene LifeScience plastic silicon_carbide hard_disk_media cross section Film Bio mfm_amplitude Wildtype Polydimethylsiloxane MeltingPoint CaMnO3 HexagonalBN rubber chemical_compound align organic_polymer