Structural and photoluminescence studies on europium-doped lithium tetraborate (Eu:Li2B4O7) single crystal grown by microtube Czochralski (μT-Cz) technique
Kumaresh A1, 2, Arun Kumar R1, 2, †, , Ravikumar N1, 2, Madhusoodanan U3, Panigrahi B S3, Marimuthu K4, Anuradha M5
       

(a) Absorption curve and (b) transmittance curve of Eu-doped LTB single crystal.