High-entropy alloys are a new class of alloys. and attract much attention due to their unique properties. Since the discovery of a superconducting high-entropy alloy (HEA) in 2014. the materials research on HEA superconductor is a hot topic. https://www.spidertattooz.com/Nora-NEFLINTW-R6MPW-6-E-Series-FLIN-Round-LED-Downlight-27K-30K-35K-40K-50K-Selectable-120V/