Mitigating Structural Degradation in O3‐Layered Sodium‐Ion Cathodes: Insights from Mg Doping in NaNi0.2Fe0.4Mn0.4O2. - Joshi, Akanksha; Bano, Amreen; Maiti, Sandipan; Krishnan, Arun; Kondrakov, Aleksandr; Patel, Shubham; Kapaev, Roman R.; Zakharchenko, Tatiana K.; Leifer, Nicole; Major, Dan Thomas; Aurbach, Doron; Noked, Malachi (Advanced Energy Materials, 2026)