Dual-Site Anion Modulation of Charge Transport in Kagome Francisites.
Mixed-anion chemistry provides a versatile route for controlling bonding, lattice geometry, and electronic localization in complex oxides, yet its role in kagome-lattice francisites remains insufficiently understood. Here, we report a systematic dual-site anion substitution study of francisite-type oxides, Cu3BiSexTe2-...