Thermoluminescent response of ZrO2+PTFE prepared in Mexico to 90Sr/90Y beta particles

T. Rivera; J. Azrin; G. Falcony; M. Garcia; E. Matinez

doi:10.1093/oxfordjournals.rpd.a005877

Thermoluminescent response of ZrO₂+PTFE prepared in Mexico to ⁹⁰Sr/⁹⁰Y beta particles

T. Rivera, J. Azrin, G. Falcony, M. Garcia, E. Matinez

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

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Abstract

Results of studying the thermoluminescent response of undoped ZrO₂ + PTFE pellets irradiated with ⁹⁰Sr/⁹⁰Y beta particles are presented. Previously, TL characteristics of ZrO₂ films doped with rare earths were studied. Phosphor powder was obtained by evaporating a solution of zirconium nitrate in ethanol. In order to stabilise the traps in ZrO₂ this phosphor was submitted to different thermal treatments. Optimal thermal treatment consisted in heating at 1100°C for 24 h. With this powder, pressing at room temperature a mixture (2:1) of ZrO₂ and polytetrafluoroethylene (PTFE), pellets of 5 mm diameter and 0.8 mm thickness were made. The glow curve of ZrO₂+PTFE pellets exhibited two peaks at 200 and 250°C; its TL response as a function of beta particles dose was linear in the range from 2 to 60 Gy. Repeatability over 10 cycles was 1.8%. Fading at room temperature was 3.8% per month.

Original language	English
Pages (from-to)	317-319
Number of pages	3
Journal	Radiation Protection Dosimetry
Volume	100
Issue number	1-4
DOIs	https://doi.org/10.1093/oxfordjournals.rpd.a005877
State	Published - 2002
Externally published	Yes

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title = "Thermoluminescent response of ZrO2+PTFE prepared in Mexico to 90Sr/90Y beta particles",

abstract = "Results of studying the thermoluminescent response of undoped ZrO2 + PTFE pellets irradiated with 90Sr/90Y beta particles are presented. Previously, TL characteristics of ZrO2 films doped with rare earths were studied. Phosphor powder was obtained by evaporating a solution of zirconium nitrate in ethanol. In order to stabilise the traps in ZrO2 this phosphor was submitted to different thermal treatments. Optimal thermal treatment consisted in heating at 1100°C for 24 h. With this powder, pressing at room temperature a mixture (2:1) of ZrO2 and polytetrafluoroethylene (PTFE), pellets of 5 mm diameter and 0.8 mm thickness were made. The glow curve of ZrO2+PTFE pellets exhibited two peaks at 200 and 250°C; its TL response as a function of beta particles dose was linear in the range from 2 to 60 Gy. Repeatability over 10 cycles was 1.8%. Fading at room temperature was 3.8% per month.",

author = "T. Rivera and J. Azrin and G. Falcony and M. Garcia and E. Matinez",

year = "2002",

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T1 - Thermoluminescent response of ZrO2+PTFE prepared in Mexico to 90Sr/90Y beta particles

AU - Rivera, T.

AU - Azrin, J.

AU - Falcony, G.

AU - Garcia, M.

AU - Matinez, E.

PY - 2002

Y1 - 2002

N2 - Results of studying the thermoluminescent response of undoped ZrO2 + PTFE pellets irradiated with 90Sr/90Y beta particles are presented. Previously, TL characteristics of ZrO2 films doped with rare earths were studied. Phosphor powder was obtained by evaporating a solution of zirconium nitrate in ethanol. In order to stabilise the traps in ZrO2 this phosphor was submitted to different thermal treatments. Optimal thermal treatment consisted in heating at 1100°C for 24 h. With this powder, pressing at room temperature a mixture (2:1) of ZrO2 and polytetrafluoroethylene (PTFE), pellets of 5 mm diameter and 0.8 mm thickness were made. The glow curve of ZrO2+PTFE pellets exhibited two peaks at 200 and 250°C; its TL response as a function of beta particles dose was linear in the range from 2 to 60 Gy. Repeatability over 10 cycles was 1.8%. Fading at room temperature was 3.8% per month.

AB - Results of studying the thermoluminescent response of undoped ZrO2 + PTFE pellets irradiated with 90Sr/90Y beta particles are presented. Previously, TL characteristics of ZrO2 films doped with rare earths were studied. Phosphor powder was obtained by evaporating a solution of zirconium nitrate in ethanol. In order to stabilise the traps in ZrO2 this phosphor was submitted to different thermal treatments. Optimal thermal treatment consisted in heating at 1100°C for 24 h. With this powder, pressing at room temperature a mixture (2:1) of ZrO2 and polytetrafluoroethylene (PTFE), pellets of 5 mm diameter and 0.8 mm thickness were made. The glow curve of ZrO2+PTFE pellets exhibited two peaks at 200 and 250°C; its TL response as a function of beta particles dose was linear in the range from 2 to 60 Gy. Repeatability over 10 cycles was 1.8%. Fading at room temperature was 3.8% per month.

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DO - 10.1093/oxfordjournals.rpd.a005877

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JO - Radiation Protection Dosimetry

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Thermoluminescent response of ZrO₂+PTFE prepared in Mexico to ⁹⁰Sr/⁹⁰Y beta particles

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