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Correlation of the Location in Crystal Lattice and Optical Activity of the Yb Impurity in 111-V Compounds

Published online by Cambridge University Press:  21 February 2011

Adrian Kozanecki
Adrian Kozanecki*
Affiliation:
Institute of Physics, Polish Academy of Sciences, Al.Lotnikow 32/46, 02-668 Warsaw, Poland
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Abstract

Rutherford backscattering (RBS) and channeling measurements have been applied to study lattice location of the Yb atoms implanted into III-V compounds. It has been found that the Yb atoms locate in the lattice positions only in InP and its alloys with Ga and As, while in gallium compounds the substitutional fraction of Yb atoms could not be detected. The intra- 4f-shell luminescence of the Yb3+ ions in different crystalline matrices have been studied. It has been shown that the ability of efficient excitation of the atomic-like luminescence of Yb3+ ions is associated with their substitutiontl location in the lattice. The intracentre emission from substitutionally located Yb3+ ions may serve as a probe of the local alloy disorder in GaInP and InPAs crystals.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 301: Symposium E – Rare-Earth Doped Semiconductors , 1993 , 219
Copyright
Copyright © Materials Research Society 1993

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References

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