FailureAnalysis Hysteresys PDMS SingleCrystal Polytetrafluoroethylene Chromium PhaseTransition Conductivity atomic_layer Subhajjit HfO2 CntFilm Tungsten Gong phase_change Thermal AtomicSteps PhaseImaging ElectrostaticForceMicroscopy Flake MESA structure Forevision Plug SPMLabs Ram semifluorinated_alkane ScratchMode OpticalElement Neodymium StrontiuTitanate TemperatureControl 2d_materials PMNPT Imprint semifluorinated alkane