TPU FailureAnalysis Force-distance Ferrite HDD China PhaseTransition HACrystal heterojunctions lithography Domain India Deposition LFM Aggregated_molecules Electical&Electronics PinpointNanomechanicalMode Phthalocyanine SelfAssembly IIT-chennai FM_SKPM AlkaneFilm Battery OxideLayer Ceramic light_emitting Cobalt food YttriaStabilizedZirconia VortexCore VerticalPFM GaAs Nanofiber PhaseImaging Pinpoint PFM