Spectral and structural studies of GdCOB and YCOB crystals

Aurelia Lupei; E. Antic-Fidancev; Gerard Aka; Daniel Vivien; L. Gheorghe; Cristian Gheorghe

doi:10.1117/12.582803

21 October 2004 Spectral and structural studies of GdCOB and YCOB crystals

Aurelia Lupei, E. Antic-Fidancev, Gerard Aka, Daniel Vivien, L. Gheorghe, Cristian Gheorghe

Proceedings Volume 5581, ROMOPTO 2003: Seventh Conference on Optics; (2004) https://doi.org/10.1117/12.582803
Event: ROMOPTO 2003: Seventh Conference on Optics, 2003, Constanta, Romania

Abstract

The structural data obtained from of high resolution optical spectroscopic investigations on Nd³⁺, Eu³⁺ and Yb³⁺ ions in rare earth calcium oxoborate crystals RCOB, mainly GdCOB and YCOB, but also EuCOB, are compared with those obtained from other studies such as X-ray diffraction or differential thermal analysis. The dependence of non-equivalent center intensities and on R³⁺ (dopants) ionic radii is in qualitative accord with X-ray diffraction data. The glassy like behavior of ⁴F_3/2 Nd³⁺ emission under selective excitation, as well as the shift of one line of ⁵D_o → ⁷F₁ Eu³⁺ emission are explained in terms of cationic structural disorder of RCOB crystals.

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Aurelia Lupei, E. Antic-Fidancev, Gerard Aka, Daniel Vivien, L. Gheorghe, and Cristian Gheorghe "Spectral and structural studies of GdCOB and YCOB crystals", Proc. SPIE 5581, ROMOPTO 2003: Seventh Conference on Optics, (21 October 2004); https://doi.org/10.1117/12.582803

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