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Impurity segregation coefficient measurements in LiF-LuF 3-YF3 systems doped by Nd3+
Authors
Ivoilov N.
Korableva S.
+4 more
Koryakina E.
Marisov M.
Naumov A.
Semashko V.
Publication date
1 March 2020
Publisher
Abstract
In present work the results of measurements of segregation coefficient of Nd3+ ions in LiLuxY1-xF4 (x=0- 1) crystals are presented. Two methods for Nd3+ ions concentration measurements in the crystals are used. The first one - X-ray fluorescence analysis (XRFA) - is used to establish the absolute concentration of impurity ions, and the second - optical absorption spectroscopy (OAS) - allows to estimate not absolute, but relative impurity concentration. By comparison of the results given by both methods the integral cross-sections of 4I 9/2- 2G7/2 transitions of Nd3+ ions doped in these crystals were estimated. Thus, the standard samples, allowing to establish the absolute Nd3+ ions concentration in LiLu xY1-xF4 (x=0- 1) crystals by means of OAS-method, were created. © 2011 SPIE
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Last time updated on 04/04/2020