Fig. 1
From: Barium lanthanum sulfide ceramics as new far-infrared transparent materials

BaS/γ-La2S3 binary phase diagram, adapted from CaS/γ-La2S320.
From: Barium lanthanum sulfide ceramics as new far-infrared transparent materials

BaS/γ-La2S3 binary phase diagram, adapted from CaS/γ-La2S320.