Magnetic and structural properties of epitaxial Er-substituted yttrium iron garnet films grown by pulsed laser depositionRemoveLukáš Flajšman, Lars Peeters, Armi Kosunen, Lide Yao, Ionela Lindfors-Vrejoiu, and Sebastiaan van DijkenPhys. Rev. Materials 10, 054408 (2026)