Unlocking Fe Single-Atom Activity through Neighboring Cu (IMAGE) Science China Press Caption Proximal Cu Enables Spin-State Engineering of Fe Single Atoms Credit ©Science China Press Usage Restrictions Use with credit. License Original 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.