School of Science;
Beijing Institute of Petro-Chemical Technology;
Beijing 102617;
China;
Center of Engineering Education;
Beijing Institute of Petro-Chemical Technology;
Beijing 102617;
China;
School of Materials Science and Engineering;
Beijing Institute of Pctro-Chcmical Technology;
Beijing 102617;
China;
Development of Technique;
Interuniversity Micro Electronics Center;
B-3001 Leuven;
Belgium;
School of Materials Science and Engineering;
Technische Universitat Wien;
A-1040 Wien;
Austria;
School of Materials Science and Engineering;
Kathofieke Universiteit Leuven;
B-3001 Heverlee (Leuven);
Belgium;