CeNSE_IISc Microchannel ForceVolumeImage FrictionalForceMicroscopy bias_mode fluoroalkane Morphology AM_KPFM HiVacuum 2d_materials Bacteria single_layer Pores Barium_titanate Perovskite MeltingPoint ForceVolumeMapping NanoLithography YszSubstrate Holes PvdfBead Hydroxyapatite nanomechanical Boundary PolymerPatterns KelvinProbeForceMicroscopy Vinylpyridine ThinFilm NUS FailureAnlaysis LateralForce BariumTitanate AIN StrontiumTitanate Fet