fluoroalkane FrequencyModulation LowDensityPolyethylene Polyethylene Polypropylene PpLdpe Modulus PinpointNanomechanicalMode PinPointMode fifber #Materials UnivOfMaryland Ni81Fe19 TPU temperature controller AFM Graphene alkanes Adhesion Magnetostrictive Dopped Praseodymium sputter Boron Mosfet Piezoelectric P3HT Bacteria Nickel IISCBangalore HOPG PVA MagneticPhase Global_Comm Phosphide Litho