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2008 | 114 | 5 | 1425-1430
Article title

Time-Resolved Studies of Gallium Nitride Doped with Gadolinium

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EN
Abstracts
EN
Time-resolved photoluminescence experiments on high quality bulk GaN doped with Gd are presented. It was found that the decay time of Gd-related transitions observed for 4.2 K around 1.78 eV is of about 3 ms. Such a long decay time strongly supports the identification of this emission band as due to transitions between Gd³+(4f⁷) levels. The decay time measured for Gd-related transitions observed in the UV spectral range, close to the GaN band-gap, was found to be much faster than 1 μs. This suggests that these emission lines could hardly be correlated with internal transitions within Gd³+(4f⁷). Possible origin of the Gd-related UV luminescence is discussed.
Keywords
Year
Volume
114
Issue
5
Pages
1425-1430
Physical description
Dates
published
2008-11
received
2008-06-07
References
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Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv114n565kz
Identifiers
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