Melt Conduct Ram Defects GalliumPhosphide MagneticForceMicroscopy SiliconOxide GlassTemperature Techcomp PetruPoni_Institute CalciumHydroxyapatite BFO SurfaceChange DataStorage FrequencyModulation Phosphide doped Plug #Materials Multiferroic_materials ForceVolumeImage Granada Polyethylene Pyroelectric TPU HexagonalBoronNitride Thermoplastic_polyurethane light_emission ScanningTunnelingMicroscopy HDD OrganicSemiconductor ForceVolumeMapping SKPM non_contact molecules