Ferrite Mechanical&nanotechnology HexagonalBoronNitride FrictionForce pinpoint mode C60H122 TriGlycineSulphate PyroelectricDetector amplitude_modulation Transparent Cobalt TransitionMetal Holes ContactModeDot Crystal KevlarFiber SelfAssembly Spain PinPointMode high_resolution suspended_graphene epitaxy BFO flakes VortexCore Flake Bismuth PolyStylene Fendb DomainSwitching Phthalocyanine Fluoride ForceVolume SiWafer NUS