X-ray and spectroscopic characteristics of Er3+ ions in polycrystalline lithium tetraborate P.P. Puga , P.S. Danyliuk , V.M. Krasilinets , I.I. Turok , A.I. Gomonai , M.M. Birov , P.N. Volovich , I.I. Chychura , Vasyl Rizak Keywords: lithium tetraborate, configuration, term, multiplet, polycrystalline, X-ray luminescence Read more