electrospinning fluoroalkane LiIonBattery KAIST IcelandSpar BFO PECurve TappingMode temp semifluorinated alkane fluoroaalkane NUS_NNI_Nanocore Forevision non_contact light_emission Vacuum Layer Fet PinpointNanomechanicalMode mechanical_property DentalProsthesis Wang LateralPFM cross section Magnetic molecular_beam Electical&Electronics Non-ContactMode biocompatible ScanningTunnelingMicroscopy LiftHeight Boron Alkane StrontiumTitanate 3-hexylthiophene