New topological semimetal candidate of nonsymmorphic PdSb2 with unique six-fold degenerate point Shan, Guangcun ; Gao, Hai-Bin Abstract Publication: Frontiers of Physics Pub Date: August 2019 DOI: 10.1007/s11467-019-0909-0 Bibcode: 2019FrPhy..1443201S