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Effect of Yb concentration on the resistivity and lifetime of CdTe:Ge:Yb codoped crystals

AuthorsSochinskii, N. V.; Abellán Rubio, María de los Ángeles ; Rodríguez-Fernández, J.; Saucedo, E.; Ruiz, C. M.; Bermúdez, V.
Issue Date15-Nov-2007
PublisherAmerican Institute of Physics
CitationApplied Physics Letters 91: 202112 (2007)
AbstractThe resistivity and electron lifetime of CdTe:Ge:Yb crystals are reported, demonstrating that the effect of Yb concentration is crucial for accurate electrical compensation. It is also demonstrated that the codoping of CdTe with Ge as deep donor and with Yb as rare-earth element could be a promising way to obtain semiinsulating CdTe crystals with good transport properties. High resistivity 5 10 9 cm and lifetime 9 s were obtained, thus confirming the beneficial effect of rare-earth doping
Publisher version (URL)http://dx.doi.org/10.1063/1.2815644
Appears in Collections:(IMN-CNM) Artículos
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