Home News Press Releases The role of Sodium for the Enhancement of Solar Cells Publications of Pengcheng Dai All genres Journal Article (1) Journal Article (1) 1. Journal Article Man, H.; Guo, J.; Zhang, R.; Schönemann, R.; Yin, Z.; Fu, M.; Stone, M. B.; Huang, Q.; Song, Y.; Wang, W. et al.; Singh, D.; Lochner, F.; Hickel, T.; Eremin, I.; Harriger, L.; Lynn, J. W.; Broholm, C.; Balicas, L.; Si, Q.; Dai, P.: Spin excitations and the Fermi surface of superconducting FeS. npj Quantum Materials 2, 14, pp. 1 - 9 (2017) MPG.PuRe DOI