C.W. Chu, J.M.E. Harper, et al.
Physical Review Letters
The inorganic crystalline polymer polysulfur nitride has been found to become superconducting with a transition temperature of (0.26±0.03)°K. © 1975 The American Physical Society.
C.W. Chu, J.M.E. Harper, et al.
Physical Review Letters
J.F. Kwak, J.E. Schirber, et al.
Physical Review Letters
M. Nechtschein, F. Devreux, et al.
Physical Review Letters
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Solid State Communications