Cite Jump to ExpandCollapse LetterJuly 3, 2026 Intrinsic Superconducting Gap in Bilayer KCa2Fe4As4F2 and Decoupled Monolayer FeAs Click to copy article linkArticle link copied! Shiwu Su Shiwu Su Hefei National Research Center for Physical Sciences at Microscale and School of Emerging Technology, University of Science and Technology of China, Hefei, 230026, China New Cornerstone Science Laboratory, Hefei National Laboratory, Hefei 230088, China Jun Zhan Jun Zhan Beijing National Laboratory for...