Comment on: room-temperature line emission at 1.2 μm from chromium-activated barium ortho-titanate (J. Lumin. 59 (1994) 113)

The sharp line luminescence around 1.2 μm reported in [J. Lumin. 59 (1994) 113] for chromium doped Ba 2TiO 4 is shown to be due to a Mn 5+ impurity. Cr 4+ doped Ba 2TiO 4 exhibits a broad band luminescence at 20 K with a lifetime τ ⩽ 7 μs.

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Bibliographic Details
Published in:Journal of luminescence 1995, Vol.63 (4), p.177-181
Main Authors: Hazenkamp, M.F., Güdel, H.U., Kesper, U., Reinen, D.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Other solid inorganic materials
Photoluminescence
Physics
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Description
Summary:The sharp line luminescence around 1.2 μm reported in [J. Lumin. 59 (1994) 113] for chromium doped Ba 2TiO 4 is shown to be due to a Mn 5+ impurity. Cr 4+ doped Ba 2TiO 4 exhibits a broad band luminescence at 20 K with a lifetime τ ⩽ 7 μs.
ISSN:0022-2313
1872-7883
DOI:10.1016/0022-2313(94)00067-M