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Cathodoluminescence study of CdTe crystals doped with Bi and Bi : Yb

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Hidalgo Alcalde, Pedro and Piqueras de Noriega, Javier and Sochinskii, N. V. and Abellá, M. and Saucedo, E. and Dieguez, E. (2008) Cathodoluminescence study of CdTe crystals doped with Bi and Bi : Yb. Journal of Materials Science, 43 (16). pp. 5305-5308. ISSN 0022-2461

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Official URL: http://dx.doi.org/10.1007/s10853-008-2815-7


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Abstract

Bi doped and Bi and Yb codoped CdTe crystals grown by the Bridgman method have been characterized by cathodoluminescence (CL) in the scanning electron microscope. CL images show a dense network of highly decorated grain boundaries in the Bi doped samples and dopant striations in the codoped crystals, attributed to the presence of Yb. Bi contributes to the appearance of the A luminescence band at 1.43 eV. The influence of Yb dopant on the CL spectra is discussed.


Item Type:Article
Additional Information:

© Springer Science+Business Media, LLC 2008.
This work was supported by Projects CAM (S-0505/MAT/0279) and MEC (project MAT 2006/1259).

Uncontrolled Keywords:Defects, Gaas, Ge
Subjects:Sciences > Physics > Materials
ID Code:25522
Deposited On:23 May 2014 16:37
Last Modified:23 May 2014 16:37

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