Positron annihilation studies in diamond

Na Amrane; B. Soudini; N. Amrane; H. Aourag

doi:10.1016/0921-5107(96)01583-8

Positron annihilation studies in diamond

Na Amrane, B. Soudini, N. Amrane, H. Aourag

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

8 Citations (Scopus)

Abstract

A computational technique is developed to evaluate positron distribution as well as the electron-positron momentum densities in diamond and the use of these provide us the means of interpreting the k-space densities obtained experimentally using the two-dimensional angular correlation of annihilation radiation (2D-ACAR). The method is based on the independent particle approximation (IPM) coupled with the empirical pseudopotential method (EPM) including a non-local correction. Results show a fairly good agreement with the experiments.

Original language	English
Pages (from-to)	119-125
Number of pages	7
Journal	Materials Science and Engineering B
Volume	40
Issue number	2-3
DOIs	https://doi.org/10.1016/0921-5107(96)01583-8
Publication status	Published - Sept 1996
Externally published	Yes

Keywords

Electron-positron momentum
Positron distribution
k-Space densities

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1016/0921-5107(96)01583-8

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abstract = "A computational technique is developed to evaluate positron distribution as well as the electron-positron momentum densities in diamond and the use of these provide us the means of interpreting the k-space densities obtained experimentally using the two-dimensional angular correlation of annihilation radiation (2D-ACAR). The method is based on the independent particle approximation (IPM) coupled with the empirical pseudopotential method (EPM) including a non-local correction. Results show a fairly good agreement with the experiments.",

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author = "Na Amrane and B. Soudini and N. Amrane and H. Aourag",

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T1 - Positron annihilation studies in diamond

AU - Amrane, Na

AU - Soudini, B.

AU - Amrane, N.

AU - Aourag, H.

PY - 1996/9

Y1 - 1996/9

N2 - A computational technique is developed to evaluate positron distribution as well as the electron-positron momentum densities in diamond and the use of these provide us the means of interpreting the k-space densities obtained experimentally using the two-dimensional angular correlation of annihilation radiation (2D-ACAR). The method is based on the independent particle approximation (IPM) coupled with the empirical pseudopotential method (EPM) including a non-local correction. Results show a fairly good agreement with the experiments.

AB - A computational technique is developed to evaluate positron distribution as well as the electron-positron momentum densities in diamond and the use of these provide us the means of interpreting the k-space densities obtained experimentally using the two-dimensional angular correlation of annihilation radiation (2D-ACAR). The method is based on the independent particle approximation (IPM) coupled with the empirical pseudopotential method (EPM) including a non-local correction. Results show a fairly good agreement with the experiments.

KW - Electron-positron momentum

KW - Positron distribution

KW - k-Space densities

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EP - 125

JO - Materials Science and Engineering B

JF - Materials Science and Engineering B

IS - 2-3

ER -

Positron annihilation studies in diamond

Abstract

Keywords

ASJC Scopus subject areas

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