Fig. 5
From: Barium lanthanum sulfide ceramics as new far-infrared transparent materials

FTIR analysis of as-combusted and pure (post-sulfurized) BLS2.7 powders.
From: Barium lanthanum sulfide ceramics as new far-infrared transparent materials

FTIR analysis of as-combusted and pure (post-sulfurized) BLS2.7 powders.