1. State Key Laboratory of Silicate Materials for Architectures, Wuhan Univ. of Technology, Wuhan 430070, CN.
2. Center for Materials Research and Analysis, Wuhan Univ. of Technology, Wuhan 430070, CN.
3. State Key Laboratory of Silicate Materials for Architectures, Wuhan Univ. of Technology, Wuhan 430070, CN (Corresponding author), e-mail: jyyu@whut.edu.cn