Superconductivity in the van der Waals layered compound <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi mathvariant="normal">PS</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math>
Physical review. B./Physical review. B