Journal Article STM 1KC430K0ZN 789U1901C5 Anderson localization Anions BdG quasiparticles Bromides Cooper pairs Copper Research Support, Non-U.S. Gov't conservation of topological charge cupric bromide current-induced magnetization switching energy-efficient SOT device epitaxial growth epitaxial self-planarization gapless superconductors interface engineering spin-orbit torque ternary metal chalcogenides topological complex charge translative domain walls two-dimensional ferromagnets van der Waals magnetic materials van der Waals materials