MagneticPhase Conduct Regensburg vertical_PFM Fet Polydimethylsiloxane Display temperature_control Vacuum KelvinProbeForceMicroscopy Ptfe Fiber mfm_amplitude LateralForce FrictionalForceMicroscopy FM-KPFM Temperature Strontium Transparent HBN Growth epitaxy SiliconOxide Polyvinylidene_fluoride self-assembly Microchannel MolecularSelfAssembly Modulus ScanningThermalMicroscopy Water Sphere Polytetrafluoroethylene DLaTGS TiO2 SICM