PHYSICAL REVIEW B (Rapid Comm.) に掲載されました
"Cage electron-hydroxyl complex state as electron donor in mayenite," M. Hiraishi, K. M. Kojima, M. Miyazaki, I. Yamauchi, H. Okabe, A. Koda, R. Kadono, S. Matsuishi, and H. Hosono, Phys. Rev. B 93, 121201(R) (2016)