Positron affinity in Zn1-xCdxSe

N. Benosman; N. Amrane; S. Méçabih; H. Aourag

doi:10.1016/S0022-3697(00)00037-8

Positron affinity in Zn_1-xCd_xSe

N. Benosman, N. Amrane, S. Méçabih, H. Aourag

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

The independent particle model (IPM) coupled with the use of the virtual crystal approximation (VCA) which incorporates compositional disorder as an effective potential was used to compute the positron charge distribution in the cubic structured ternary alloy Zn_1-xCd_xSe. The positron charge density with respect to the variation of the mole fraction is discussed. The results show that positrons have a strong affinity for the anion than for the cation. This relative positron affinity should lead to the positron preferentially annihilating with the anion rather than the cation.

Original language	English
Pages (from-to)	1727-1733
Number of pages	7
Journal	Journal of Physics and Chemistry of Solids
Volume	61
Issue number	11
DOIs	https://doi.org/10.1016/S0022-3697(00)00037-8
Publication status	Published - Nov 2000
Externally published	Yes

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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10.1016/S0022-3697(00)00037-8

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author = "N. Benosman and N. Amrane and S. M{\'e}{\c c}abih and H. Aourag",

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AU - Benosman, N.

AU - Amrane, N.

AU - Méçabih, S.

AU - Aourag, H.

PY - 2000/11

Y1 - 2000/11

N2 - The independent particle model (IPM) coupled with the use of the virtual crystal approximation (VCA) which incorporates compositional disorder as an effective potential was used to compute the positron charge distribution in the cubic structured ternary alloy Zn1-xCdxSe. The positron charge density with respect to the variation of the mole fraction is discussed. The results show that positrons have a strong affinity for the anion than for the cation. This relative positron affinity should lead to the positron preferentially annihilating with the anion rather than the cation.

AB - The independent particle model (IPM) coupled with the use of the virtual crystal approximation (VCA) which incorporates compositional disorder as an effective potential was used to compute the positron charge distribution in the cubic structured ternary alloy Zn1-xCdxSe. The positron charge density with respect to the variation of the mole fraction is discussed. The results show that positrons have a strong affinity for the anion than for the cation. This relative positron affinity should lead to the positron preferentially annihilating with the anion rather than the cation.

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JO - Journal of Physics and Chemistry of Solids

JF - Journal of Physics and Chemistry of Solids

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Positron affinity in Zn_1-xCd_xSe

Abstract

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