Vortex Reading DLaTGS Electrode EPFL LDPE Collagen Ram doped non_contact ShenYang Vanadate tip_bias_mode Grain CuSubstrate Topography OpticalWaveguide Styrene Non-ContactMode HighResolution FM_KPFM LiquidCell India Ni-FeAlloy SRAM Galfenol University_of_Regensburg Moire SrTiO3 NUS_NNI_Nanocore STM atomic_layer Strontium CopperFoil BiVO4