Evidence for rare-region physics in the structural and electronic degrees of freedom of the nickelate La2−xSrxNiO4RemoveR. J. Spieker, B. Krohnke, D. Zhai, A. Lopez Benet, M. Spaić, X. He, C. Y. Tan, Z. W. Anderson, F. Ye, H. Cao, M. J. Krogstad, R. Osborn, D. Pelc, and M. GrevenPhys. Rev. Materials 10, 095001 (2026)