fluoroaalkane Lateral ElectroChemical Memory molecular_beam EFMAmplitude semifluorinated alkane Ito Sic MBE SICM AM_KPFM NiFe cross section Dopped MfmAmplitude Collagen neodymium_magnets Jason Nanopattern mechanical_property food Laser ScanningSpreadingResistanceMicroscopy GlassTemp ShenYang Tungsten STM PVA Piezoelectric Chrome AEAPDES Floppy MembraneFilter MeltingPoint