M. Lim et Ts. Kalkur, THE ROLE OF LEAKAGE CURRENT ON THE MEMORY WINDOW AND MEMORY RETENTIONIN MFIS STRUCTURE, Integrated ferroelectrics (Print), 22(1-4), 1998, pp. 725-731
Metal-Ferroelectric-Insulator-Semiconductor (MFIS) structure has been
fabricated with Strontium Bismuth Tantalate (SBT) ferroelectric and Yt
trium oxide as the buffer layer between ferroelectric and silicon. Cap
acitance versus voltage (C-V) analysis shows that memory window is fou
nd to be dependent on charge injection and charge retention in MFIS st
ructure. Analysis of current versus voltage (I-V) characteristics show
that the memory window and retention is strongly dependent on the lea
kage current in the MFIS structure.