Figure 3

Transfer curves of the fabricated transistor memory devices with (a) PS and (b) the overlapped curves for the writing and erasing processes with ZnOPS10, ZnOPS20 and ZnOPS30. The drain current was measured at Vds = −50 V.

Transfer curves of the fabricated transistor memory devices with (a) PS and (b) the overlapped curves for the writing and erasing processes with ZnOPS10, ZnOPS20 and ZnOPS30. The drain current was measured at Vds = −50 V.