Synthesis and Electronic Structure of the Fractionally Occupied Double Perovskite EuTa2O6 with Ordered Europium Vacancies. - Schwaigert, Tobias; Barooni, Ali; Gregory, Benjamin; Malinowski, Paul; Tenneti, Anirudh; Hasko, Sonia; Palazzolo, Brenan; Hodgson, Jeffrey W; Faeth, Brendan; Woodward, Patrick M.; Shen, Kyle M.; Singer, Andrej; et al. (Advanced Functional Materials, 2026)