Calcium 2d_materials mechanical_property DIWafer DomainSwitching FFM Pattern margarine Pzt Bismuth Chungnam_National_University Jason Vanadate Chloroform dielectric trench FrictionalForce Ananth F14H20 Galfenol Dopped LowDensityPolyethylene SICM solar_cell PDMS SKKU align GlassTemp non_contact NanoLithography HexagonalBN domain_switching HiVacuum phase_change PhaseChange Growing