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

P. Hidalgo | Zendy; J. Piqueras | Zendy; N.V. Sochinskii | Zendy; Manuel Abellán | Zendy; Edgardo Saucedo | Zendy; E. Diéguez | Zendy

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

Author(s) -

P. Hidalgo,

J. Piqueras,

N.V. Sochinskii,

Manuel Abellán,

Edgardo Saucedo,

E. Diéguez

Publication year - 2008

Publication title -

journal of materials science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.813

H-Index - 177

eISSN - 1573-4803

pISSN - 0022-2461

DOI - 10.1007/s10853-008-2815-7

Subject(s) - cathodoluminescence , materials science , dopant , luminescence , doping , scanning electron microscope , cadmium telluride photovoltaics , analytical chemistry (journal) , crystallography , optoelectronics , composite material , chemistry , chromatography

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

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