کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5489902 | 1524377 | 2016 | 12 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Yb3+-doped LiBi(WO4)2 single crystals fibers grown by micro-pulling down technique and characterization
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
The Yb3+ doped LiBi(WO4)2 fibers single crystals have been pulled using the micro-pulling down technique (µ-PD) with controlled fiber diameter and under stationary stable growth conditions. The corresponding crystallization interface was flat, with meniscus length equal to the fiber radii. The pulling rate used was in the range of 2-6 mm hâ1. We have determined the monophased field of LiBi1âxYbx(WO4)2 and observed that the lattice parameters decrease as a function of Yb3+ substitution in Bi3+ sites. The structural characterization has been studied by X-ray diffraction (XRD), X-ray fluorescence (XRF) method and Raman spectroscopy. We also performed micro-luminescence characterizations and drawn the decay time for both of the 1 at% (Yb3+) doped LiBi(WO4)2 fiber and powders.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Crystal Growth - Volume 452, 15 October 2016, Pages 101-104
Journal: Journal of Crystal Growth - Volume 452, 15 October 2016, Pages 101-104
نویسندگان
B. Rekik, M. Derbal, K. Lebbou, M.E.A. Benammar,