Polyvinylidene CaMnO3 IIT-chennai biocompatible FrictionalForce ring shape Praseodymium Cobalt TyphimuriumBiofilm PinpointPFM HexagonalBN molecular_self_assembly pulsed_laser_deposition WS2 AdhesionEnergy 3-hexylthiophene TempControl OpticalWaveguide Foil PDMS Vinylpyridine Multiferroic_materials Ucl ForceMapping sputter NCM Tape layers SmalScan electrospinning Polymer Wildtype VerticalPFM Morphology Blood