Ultra-thin hafnium-oxide lms were deposited by using atomic layer deposition. The impurity
distribution and the lm properties were studied in the deposition temperature range between 200
C and 400 C. Suppressed crystallization with eective Cl impurity...
Ultra-thin hafnium-oxide lms were deposited by using atomic layer deposition. The impurity
distribution and the lm properties were studied in the deposition temperature range between 200
C and 400 C. Suppressed crystallization with eective Cl impurity reduction was obtained at
medium temperature (300 C), which resulted in a hafnium-oxide lm with a low leakage current
(2.06*10-7A/cm2 at -2.0 MV/cm) and a small equivalent oxide thickness value (23.9 A) at the
same time.