Gamma-radiation effects on NaCi:Cu crystals

E. Cruz-Zaragoza; V. Chernov; R. Melendrez; M. Barboza Flores

doi:10.1002/pssa.200925002

Gamma-radiation effects on NaCi:Cu crystals

E. Cruz-Zaragoza^*, V. Chernov, R. Melendrez, M. Barboza Flores

^*Corresponding author for this work

Departamento de Investigación en Física

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

3 Scopus citations

Abstract

The y-radiation effects on copper-doped NaCl:Cu crystals were investigated. Single crystals exposed to gamma radiation from 0.001 kGy to 30 kGy at room temperature exhibited optical absorption bands attributed to Cu (236 nm), Cu ₊ (255 nm) and F (463 nm) centers. The F and Cu absorption annealing bands were correlated to the thermoluminescence (TL) glow-curve peak structure around 30-165 °C and 215-350 °C, respectively. The TL glow curves of samples doped with 0.04 mol% and 0.08 mol% of Cu+ ions showed a strong quenching effect for higher doping concentration. In addition, thermal bleaching of y-irradiated specimens confirmed the color centers and Cu-doping participation on the TL process.

Original language	English
Pages (from-to)	1425-1428
Number of pages	4
Journal	Physica Status Solidi (A) Applications and Materials Science
Volume	206
Issue number	7
DOIs	https://doi.org/10.1002/pssa.200925002
State	Published - Jul 2009

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title = "Gamma-radiation effects on NaCi:Cu crystals",

abstract = "The y-radiation effects on copper-doped NaCl:Cu crystals were investigated. Single crystals exposed to gamma radiation from 0.001 kGy to 30 kGy at room temperature exhibited optical absorption bands attributed to Cu (236 nm), Cu + (255 nm) and F (463 nm) centers. The F and Cu absorption annealing bands were correlated to the thermoluminescence (TL) glow-curve peak structure around 30-165 °C and 215-350 °C, respectively. The TL glow curves of samples doped with 0.04 mol% and 0.08 mol% of Cu+ ions showed a strong quenching effect for higher doping concentration. In addition, thermal bleaching of y-irradiated specimens confirmed the color centers and Cu-doping participation on the TL process.",

author = "E. Cruz-Zaragoza and V. Chernov and R. Melendrez and Flores, {M. Barboza}",

year = "2009",

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T1 - Gamma-radiation effects on NaCi:Cu crystals

AU - Cruz-Zaragoza, E.

AU - Chernov, V.

AU - Melendrez, R.

AU - Flores, M. Barboza

PY - 2009/7

Y1 - 2009/7

N2 - The y-radiation effects on copper-doped NaCl:Cu crystals were investigated. Single crystals exposed to gamma radiation from 0.001 kGy to 30 kGy at room temperature exhibited optical absorption bands attributed to Cu (236 nm), Cu + (255 nm) and F (463 nm) centers. The F and Cu absorption annealing bands were correlated to the thermoluminescence (TL) glow-curve peak structure around 30-165 °C and 215-350 °C, respectively. The TL glow curves of samples doped with 0.04 mol% and 0.08 mol% of Cu+ ions showed a strong quenching effect for higher doping concentration. In addition, thermal bleaching of y-irradiated specimens confirmed the color centers and Cu-doping participation on the TL process.

AB - The y-radiation effects on copper-doped NaCl:Cu crystals were investigated. Single crystals exposed to gamma radiation from 0.001 kGy to 30 kGy at room temperature exhibited optical absorption bands attributed to Cu (236 nm), Cu + (255 nm) and F (463 nm) centers. The F and Cu absorption annealing bands were correlated to the thermoluminescence (TL) glow-curve peak structure around 30-165 °C and 215-350 °C, respectively. The TL glow curves of samples doped with 0.04 mol% and 0.08 mol% of Cu+ ions showed a strong quenching effect for higher doping concentration. In addition, thermal bleaching of y-irradiated specimens confirmed the color centers and Cu-doping participation on the TL process.

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DO - 10.1002/pssa.200925002

M3 - Artículo

SN - 1862-6300

VL - 206

SP - 1425

EP - 1428

JO - Physica Status Solidi (A) Applications and Materials Science

JF - Physica Status Solidi (A) Applications and Materials Science

IS - 7

ER -

Gamma-radiation effects on NaCi:Cu crystals

Abstract

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