DETERMINATION OF THE KINETIC PARAMETERS OF BeO THERMOLUMINESCENT SAMPLES USING DIFFERENT METHODS
The objective of this work was to determine the kinetic parameters of BeO thermoluminescent (TL) samples. The knowledge of the kinetic parameters is important for the general description of the physical characteristics of a thermoluminescent material. Using a linear heating rate of 5K/s-1, the BeO p...
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Brazilian Radiation Protection Society (Sociedade Brasileira de Proteção Radiológica, SBPR)
2018-05-01
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| Series: | Brazilian Journal of Radiation Sciences |
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| Online Access: | https://bjrs.org.br/revista/index.php/REVISTA/article/view/426 |
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| _version_ | 1849718598976667648 |
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| author | Fábio Junqueira Algarve |
| author_facet | Fábio Junqueira Algarve |
| author_sort | Fábio Junqueira Algarve |
| collection | DOAJ |
| description | The objective of this work was to determine the kinetic parameters of BeO thermoluminescent (TL) samples. The knowledge of the kinetic parameters is important for the general description of the physical characteristics of a thermoluminescent material. Using a linear heating rate of 5K/s-1, the BeO peak temperatures obtained were (474.7 ± 1.2) K and (620.5 ± 1.2) K, respectively, for the first and second TL peaks. The peak shape and the glow curve area measurement methods and the Urbach formula have been used for the trap parameter determination. A kinetic order of about two was determined for the first peak, whereas the second peak followed the first-order kinetics according to the geometrical factor. The energy activation values obtained using different kinds of measurements are in good agreement, including the Kitis method for deconvolution of the glow curve. Furthermore, the results agree with those presented by other authors. |
| format | Article |
| id | doaj-art-0506f47b004847d386cf09ec60947af8 |
| institution | DOAJ |
| issn | 2319-0612 |
| language | English |
| publishDate | 2018-05-01 |
| publisher | Brazilian Radiation Protection Society (Sociedade Brasileira de Proteção Radiológica, SBPR) |
| record_format | Article |
| series | Brazilian Journal of Radiation Sciences |
| spelling | doaj-art-0506f47b004847d386cf09ec60947af82025-08-20T03:12:20ZengBrazilian Radiation Protection Society (Sociedade Brasileira de Proteção Radiológica, SBPR)Brazilian Journal of Radiation Sciences2319-06122018-05-016210.15392/bjrs.v6i2.426323DETERMINATION OF THE KINETIC PARAMETERS OF BeO THERMOLUMINESCENT SAMPLES USING DIFFERENT METHODSFábio Junqueira Algarve0Instituto de Pesquisa Energética e Nucleares, Comissão Nacional de Energia Nuclear (IPEN/CNEN)The objective of this work was to determine the kinetic parameters of BeO thermoluminescent (TL) samples. The knowledge of the kinetic parameters is important for the general description of the physical characteristics of a thermoluminescent material. Using a linear heating rate of 5K/s-1, the BeO peak temperatures obtained were (474.7 ± 1.2) K and (620.5 ± 1.2) K, respectively, for the first and second TL peaks. The peak shape and the glow curve area measurement methods and the Urbach formula have been used for the trap parameter determination. A kinetic order of about two was determined for the first peak, whereas the second peak followed the first-order kinetics according to the geometrical factor. The energy activation values obtained using different kinds of measurements are in good agreement, including the Kitis method for deconvolution of the glow curve. Furthermore, the results agree with those presented by other authors.https://bjrs.org.br/revista/index.php/REVISTA/article/view/426thermoluminescentbeodosimetrydeconcolution |
| spellingShingle | Fábio Junqueira Algarve DETERMINATION OF THE KINETIC PARAMETERS OF BeO THERMOLUMINESCENT SAMPLES USING DIFFERENT METHODS Brazilian Journal of Radiation Sciences thermoluminescent beo dosimetry deconcolution |
| title | DETERMINATION OF THE KINETIC PARAMETERS OF BeO THERMOLUMINESCENT SAMPLES USING DIFFERENT METHODS |
| title_full | DETERMINATION OF THE KINETIC PARAMETERS OF BeO THERMOLUMINESCENT SAMPLES USING DIFFERENT METHODS |
| title_fullStr | DETERMINATION OF THE KINETIC PARAMETERS OF BeO THERMOLUMINESCENT SAMPLES USING DIFFERENT METHODS |
| title_full_unstemmed | DETERMINATION OF THE KINETIC PARAMETERS OF BeO THERMOLUMINESCENT SAMPLES USING DIFFERENT METHODS |
| title_short | DETERMINATION OF THE KINETIC PARAMETERS OF BeO THERMOLUMINESCENT SAMPLES USING DIFFERENT METHODS |
| title_sort | determination of the kinetic parameters of beo thermoluminescent samples using different methods |
| topic | thermoluminescent beo dosimetry deconcolution |
| url | https://bjrs.org.br/revista/index.php/REVISTA/article/view/426 |
| work_keys_str_mv | AT fabiojunqueiraalgarve determinationofthekineticparametersofbeothermoluminescentsamplesusingdifferentmethods |