Tuning Ultra-Narrow Direct Bandgap in alpha-Sn Nanocrystals: A CMOS-Compatible Approach for THz Applications

Tiziano Bertoli, Elena Stellino, Francesco Minati +14

alpha-Sn has recently been attracting significant interest due to its unique electronic properties. However, this allotrope of Sn is stable only below 13 °C and alternative option…