TriGlycineSulphate CaMnO3 Ananth Friction Wonseok Multiferroic_materials high_resolution MBE PolymerBlend Workfunction Calcium MagneticArray single_layer Titanate ThermalConductivity InsulatorFilm Yeditepe Copolymer piezoelectric force microscopy ContactMode Tungsten CompactDisk Potential Water CalciumHydroxide SThM block_copolymer Spincast MechanicalProperty YszSubstrate HighAcpectRatio Sio2 ScratchMode CeNSE_IISc ito_film