Improvement of memory characteristics by employing a charge trapping layer with combining bent and flat energy bands
Tang Zhen-Jie1, †, Li Rong2, Zhang Xi-Wei1
       

Normalized high frequency capacitance-voltage curves under different gate sweeping voltages for the memory capacitors (a) S1, (b) S2, (c) S3 and (d) S4. The voltage sweep from positive to negative (forward), and then back to positive (backward).