alkanes polyvinyl acetate Multiferroic_materials HardDisk Gong ForceVolume Butterfly PinPointMode UnivCollegeLondon norganic PolyvinylideneFluoride BismuthVanadate CarbonNanotube Change FrictionalForceMicroscopy HexagonalBN cooling silicon_carbide CHRYSALIS_INC thermoplastic_elastomers GalliumPhosphide tip_bias_mode Microchannel Titanate University_of_Regensburg BCZT SiliconCrystal Pore DentalProsthesis MoirePattern UnivMaryland HDD FM_KPFM Korea LateralForceMicroscopy