Superconductivity of Double Chalcogenides: Lix Ti1.1S2

Science  25 Feb 1972:
Vol. 175, Issue 4024, pp. 884-885
DOI: 10.1126/science.175.4024.884


Lithium titanium sulfides, LixTi1.1S2(0.1 x ≤ 0.3), become superconducting over the temperature range from 10° to 13°K. They have the hexagonal Ti3S4 structure and should not be considered intercalation compounds. This is the first class of noncubic compounds with high transition temperatures.