Figure (IMAGE) Science China Press Caption (a) Schematic illustration for the strategy of controlling the interlayer coupling through organic cation intercalation?b?Schematic illustration for the emergence of superconducting weak topological insulators from type-II Weyl fermion?c?Direct comparison of XRD results for the interlayer spacing increased from 6.9 Å to 11.3 Å.?d?Temperature dependent sheet resistance measurements exhibit Tc = 7.0 K of intercalated sample. Credit ©Science China Press Usage Restrictions Use with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.