The Influence of Precleaning Process on the Gate Oxide Film Fabricated by Electron Cyclotron Resonance Plasma Oxidation
Author(s) -
KowMing Chang,
ChiiHorng Li,
FuJier Fahn,
JungYu Tsai,
TaHsun Yeh,
ShihWei Wang,
JiYi Yang
Publication year - 1997
Publication title -
journal of the electrochemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.258
H-Index - 271
eISSN - 1945-7111
pISSN - 0013-4651
DOI - 10.1149/1.1837401
Subject(s) - electron cyclotron resonance , plasma , oxide , reliability (semiconductor) , materials science , process (computing) , analytical chemistry (journal) , electron , chemistry , atomic physics , metallurgy , computer science , environmental chemistry , nuclear physics , thermodynamics , power (physics) , physics , operating system
The influence of the precleaning process on the characteristics of SiO 2 film grown by using electron cyclotron resonance (ECR) plasma oxidation at room temperature is presented in this work. We find that the growth rate, electrical properties, and reliability of the ECR plasma grown oxide is improved by this precleaning step. Two growth mechanisms are found which determine the electrical properties of the plasma grown oxide. The plasma damage is also discussed. We find that plasma oxidation produces little plasma damage in our experiments. Excellent ECR plasma grown silicon dioxide with good electrical properties and reliability characteristics are obtained by this precleaning technique.
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