FrictionalForce Ferrite thermal_conductivity cross section PhthalocyaninePraseodymium BiFeO3 CeNSE_IISc STM FrequencyModulation MechanicalProperties PS_LDPE Pattern HACrystal Austenite PVA HighAspect light_emission CompactDisk Magnetic Force Microscopy Strontium Optoelectronic Ptfe Defect Hydroxyapatite Resistance MfmPhase pinpoint mode TriGlycineSulphate IcelandSpar Pipette DNAProtein Electronics Flake YszSubstrate 2dMaterials