food Pipette Layer biocompatible Solar Copolymer mfm_amplitude multi_layer IVSpectroscopy StrontiumTitanate Polyvinylidene_fluoride Strontium aluminum_nitride Au111 Melt EPFL HOPG doped Edwin Anneal polyvinyl acetate Sulfur Electronics #EC Copper Array Titanate mechanical_property PolyimideFilm FrictionalForceMicroscopy PMNPT PyroelectricDetector NUS_Physics Piezoresponse cooling