TemperatureControlledAFM FrictionForce IRDetector Tungsten IIT-chennai ContactMode MechanicalProperties mono_layer KelvinProbeForceMicroscopy I-VSpectroscopy BlockCopolymer UnivOfMaryland contact cooling semifluorinated_alkane Regensburg PtfeMembrane EvatecAG FrictionalForce PolycrystallineFerroelectricBCZT Layer Indent Glass ThermalConductivity GaN University_of_Regensburg Morphology Modulus BFO Graphite Conducting NTU CompactDisk Calcium Pyroelectric