Biofilm Battery CancerCell Magnetic NUS_Physics Floppy Imprint PhaseImaging single_layer Cross-section nanomechanical Hole Galfenol PinPointMode Chromium cross section CeNSE_IISc Ecoli Topography 2dMaterials ScanningSpreadingResistanceMicroscopy hetero_structure polyvinyl acetate hard_disk Dr.JurekSadowski Celebration Bismuth Yttria_stabilized_Zirconia ForceVolume epitaxy LithiumNiobate StrontiumTitanate SingleCrystal HiVacuum ScratchMode