Song, Z., Y. Zhan, D. Cai, B. Liu, Y. Chen, and J. Ren. “A Phase Change Memory Chip Based on TiSbTe Alloy in 40-Nm Standard CMOS Technology”. Nano-Micro Letters, vol. 7, no. 2, Feb. 2015, pp. 172-6, doi:10.1007/s40820-015-0030-z.