Investigation of gate oxide traps effect on NAND flash memory by TCAD simulation*

Project supported by the SanDisk Info Tech Shanghai, China and the Institute of Microelectronic Materials & Technology, School of Materials Science and Engineering, Shanghai Jiao Tong University, China.

Zhang He-Kun1, Tian Xuan2, He Jun-Peng1, Song Zhe2, Yu Qian-Qian2, Li Liang2, Li Ming1, Zhao Lian-Cheng1, Gao Li-Ming1, †
       

Gate leakage currents varying with gate bias under different trap conditions in erase process: (a) different trap densities in blocking layer at 2 eV and (b) different trap densities in tunneling layer at 2 eV.