BiVO4 PMNPT amplitude_modulation Nickel Pinpoint PFM Gold TipBiasMode pinpoint mode H-BN small_scan ForceVolume Patterns Domain HBN Trench #EC TemperatureControl Vanadate GaN Tungsten_disulfide OxideLayer Silver Ram FrequencyModulation OrganicSemiconductor OpticalElement Heating ImideMonomer TemperatureControllerStage SingleLayer Collagen IVSpectroscopy IndiumTinOxide SThM AnodizedAluminumOxide