|Mar9-13, 04:03 PM||#1|
Help required with chemical formula and spectrophotometry
I have what I hope is a simple question. basically I have a known crystal structure with a known dopant, however I don't know what the charge on the dopant is and I can't find it in any papers. Now I'm not sure if this is something I just need to find or whether this is something I can determine from analysis (I did study chmistry to the highest secondary level but I can't actually remember much of the methodology). Anyway I would appreciate if someone could tell me the charges and explain how they were oobtained for the equation below (if possible):
Lu2SiO5:Ce where Ce is the dopant
Additionally, this material is a scintillator and I have measure the transmission for the 200-1000nm range. In the UV region there are a couple of transmission spikes that I would not expect for a scintillator. Could this be due to the Ce dopant?
Thanks in advance.
|Mar9-13, 05:20 PM||#2|
Hm, when googling for"Lu2SiO5 Ce" the first link was
where they determined the charge by EPR as 3+ (which was what I would have expected anyhow although 4+ would also have been a possibility).
|Mar9-13, 06:55 PM||#3|
Thanks for that DrDu. for some reason I never thought to actually search for the formula and instead used the common name LYSO. Just goes to show how easily you can overlook the obvious.
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