Superconductivity in Polysulfur Nitride <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msub><mrow><mo>(</mo><mi mathvariant="normal">SN</mi><mo>)</mo></mrow><mrow><mi>X</mi></mrow></msub></mrow></math></span>

The inorganic crystalline polymer polysulfur nitride has been found to become superconducting with a transition temperature of (0.26±0.03)°K.

DOI:https://doi.org/10.1103/PhysRevLett.34.577

^*Work at Stanford University supported in part by National Science Foundation Grant No. GH 41213.
^†Present address: Lawrence Livermore Laboratory, Livermore, Calif. 94550.

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Physical Review Letters