SurfaceChange C_AFM TransitionMetal Floppy Composite mechanical property Wildtype Etch LithiumNiobate Scanning_Thermal_Microscopy RedBloodCell Pattern Ferrite Beads PhthalocyaninePraseodymium TappingMode Epoxy ItoGlass Stiffness SrTiO3 Mechanical&nanotechnology Wonseok Polymer HardDiskMedia alkanes Phthalocyanine plastic AM_KPFM Led Tin sulfide Iron TungstenDeposition SiWafer ferromagnetic BiVO4