PetruPoni FrequencyModulation Trench thermoplastic_elastomers Silicon Pipette ring shape PFM PtfeFilter Pore strontiu_titanate HardDisk ForceVolumeImage EPFL BreastCancerCell Chungnam_National_University Insulator NUSNNI FrictionForce PatternedSapphireSubstrat CP-AFM BoronNitride HafniumDioxide ForceVolumeMapping Annealing Nanostructure AM_SKPM ShenYang OxideLayer cooling CuParticle India Epoxy C_AFM HighAspect