Graphene Adhesion SPMLabs YttriaStabilizedZirconia Implant PolyvinylAcetate Jason FM_KPFM KPFM Hafnia temp Ferroelectric HanyangUniv suspended_graphene Conductive AFM INSP Adhesive Sperm CrystalGrowing HafniumDioxide bias_mode thermoplastic_elastomers Heating PFM SiliconeOxide Tapping SFAs MBE Aluminum YszSubstrate LiquidCell Strontium Optic Floppy NUS_Physics