K2Na(I3O8)3: a promising mid-infrared birefringent material with two different structures of octaoxotriiodate(v) polyanions - Min-Quan, Lin; Meng-Fan, Duan; Jiang-Gao, Mao; Bing-Ping, Yang (New journal of chemistry, 2025)
Keywords: Alkali metals; Birefringence; Optical properties; Phosphoric acid; Polyelectrolytes