Deterministic Control of Sn 3+ Valence and Electronic Phase Evolution in AgSnSe 2 - Paribesh Acharyya; Yukun Liu; Shima Shahabfar; Hengdi Zhao; Yihao Wang; Anuradha Bhogra; Thomas S. Ie; Kodimana Ramakrishnan Pradeep; Christos D. Malliakas; Juncen Li; Lawrence Rhoads; Yuelin Kuang; et al. (Journal of the American Chemical Society, 2026)