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This article provides an editorial on the progress of superconducting materials for Superconducting Radiofrequency (SRF) applications. The SRF technology, originally used in particle accelerators, has expanded into various domains such as energy, medical, security, and quantum computing. While niobium has been the primary material for constructing SRF cavities, researchers are now exploring alternative superconductors like Nb3Sn, NbTiN, and MgB2, as well as a multi-layer approach. Ongoing research aims to improve the quality factors and achieve higher accelerating gradients. The article also discusses the importance of understanding material characteristics and various analytical methods used in SRF cavity development. [Extracted from the article]