ナローギャップ半導体
Nelson, J. T. Electrical and optical properties of MgPSn and MggSi. Am. J. Phys. 23: 390. 1955.
Dornhaus, R., Nimtz, G., Schlicht, B. (1983). Narrow-Gap Semiconductors. Springer Tracts in Modern Physics 98, ISBN 978-3-540-12091-9 (print) ISBN 978-3-540-39531-7 (online)
Nimtz, G. (1980), Recombination in Narrow-Gap Semiconductors, Physics Reports, 63, 265-300