Role of defects in the paramagnetism of Fe-doped Cs2AgBiBr6 double perovskiteRemoveVolodymyr Vasylkovskyi, Olga Trukhina, Patrick Dörflinger, Mykola Slipchenko, Wolf Gero Schmidt, Timur Biktagirov, Andreas Sperlich, Anastasiia Kultaeva, Yakov Kopelevich, and Vladimir DyakonovPhys. Rev. Materials 10, 084410 (2026)
