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01473 am a22001813u 4500 |
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30210 |
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|a Choi, Yong Gyu
|e author
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|a Curry, Richard J.
|e author
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|a Park, Bong Je
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|a Kim, Kyong Hon
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|a Heo, Jong
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|a Hewak, Dan W.
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|a Controlling fluorescence lifetime of rare-earth element in amorphous inorganic solids via very small compositional adjustments
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|c 2005.
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|z Get fulltext
|u https://eprints.soton.ac.uk/30210/1/3084.pdf
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|a Fluorescence lifetime of hypersensitive 4f-4f transitions of rare-earth elements embedded in amorphous inorganic solids can be dramatically modified by compositional adjustment of the hosts tantamount to not more than 1 mol % without any elaborated thermal treatments. It is possible to modify a spontaneous emission rate of Dy ions, which is formed spontaneously during the vitrification process of the host materials. These experimental observations show the most extreme dependence of the fluorescence lifetime on small compositional changes reported compared to any other noncrystalline solid-state dielectric. As such co-utilization of many hypersensitive transitions of rare-earth elements and those host materials used in this study may present a unique opportunity to control absorption and emission properties, especially fluorescence lifetimes, through a minute compositional adjustment.
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