CAS Key Laboratory of Nuclear Materials and Safety Assessment;
Institute of Metal Research;
Chinese Academy of Sciences;
Shenyang 110016;
China;
School of Materials Science and Engineering;
University of Science and Technology of China;
Shenyang 110016;
China;
Institute of Corrosion Science and Technology;
Guangzhou 510530;
China;
Hematite; Chromia; DFT+U; Interface; Cl-induced depassivation;