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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1107/S0909049512010710
|2 doi
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|a eng
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| 100 |
1 |
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|a Fournier, Bertrand
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Measuring picosecond excited-state lifetimes at synchrotron sources
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|c 2012
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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| 500 |
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|a Date Completed 18.10.2012
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|a Date Revised 20.06.2012
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a A new analysis method for the short excited-state lifetime measurement of photosensitive species in crystals is described. Based on photocrystallographic techniques, this method is an alternative to spectroscopic methods and is also valid for non-luminescent excited species. Two different approaches are described depending on the magnitude of the lifetime τ. For very short lifetimes below the width of the synchrotron pulse, an estimated τ can be obtained from the occurrence of the maximal system response as a function of the pump-probe delay time Δt. More precise estimates for both short and longer lifetimes can be achieved by a refinement of a model of the response as a function of the pump-probe delay time. The method also offers the possibility of the structure determination of excited species with lifetimes in the 40-100 ps range
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|a Journal Article
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|a Research Support, U.S. Gov't, Non-P.H.S.
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| 700 |
1 |
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|a Coppens, Philip
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of synchrotron radiation
|d 1994
|g 19(2012), Pt 4 vom: 15. Juli, Seite 497-502
|w (DE-627)NLM09824129X
|x 1600-5775
|7 nnns
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| 773 |
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|g volume:19
|g year:2012
|g number:Pt 4
|g day:15
|g month:07
|g pages:497-502
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|u http://dx.doi.org/10.1107/S0909049512010710
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|h 497-502
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