PetruPoni_Institute Varistor Electical&Electronics self-assembly oxide_layer FM_SKPM TipBiasMode pinpoint mode AnodizedAluminumOxide dielectric_trench VerticalPFM Grain Biofilm SPMLabs Piezo Heating PinPointMode CNT Strontium atomic_layer PyroelectricDetector Hexacontane Implant Hydroxyapatite Copolymer Deposition ThermalProperties ElectroChemical suspended_graphene Water small_scan OpticalWaveguide Current phase_change NUS