@article{Cruz-Zaragoza_Rosario_Hipolito_Marcazzo_Hernandez A._Camarilo_Murrieta S._2017, title={Radio-Optically- and Thermally Stimulated Luminescence of Zn(BO2)2:Tb3+ exposed to Ionizing Radiation }, volume={5}, url={https://jnp.chitkara.edu.in/index.php/jnp/article/view/84}, DOI={10.15415/jnp.2017.51016}, abstractNote={<p><span style="left: 167.384px; top: 620.437px; font-size: 18.3333px; font-family: serif; transform: scaleX(0.984461);">The optical absorption of zinc tetraborate at different concentrations </span><span style="left: 89.9988px; top: 642.107px; font-size: 18.3333px; font-family: serif; transform: scaleX(1.0357);">of the terbium impurity (0, 0.5, 1, 2, 4, 8 mol%) was analyzed. The </span><span style="left: 89.9988px; top: 663.777px; font-size: 18.3333px; font-family: serif; transform: scaleX(0.952398);">radioluminescence (RL) emission spectra was obtained after beta irradiation </span><span style="left: 89.9988px; top: 685.447px; font-size: 18.3333px; font-family: serif; transform: scaleX(0.899241);">of a </span><sup><span style="left: 127.54px; top: 685.065px; font-family: serif; transform: scaleX(1.00203);">90</span></sup><span style="left: 138.229px; top: 685.437px; font-size: 18.3333px; font-family: serif; transform: scaleX(0.999766);">Sr/</span><sup><span style="left: 159.623px; top: 685.065px; font-family: serif; transform: scaleX(1.00203);">90</span></sup><span style="left: 170.312px; top: 685.437px; font-size: 18.3333px; font-family: serif; transform: scaleX(0.959486);">Y source. The RL spectrum showed the characteristics bands of </span><span style="left: 89.9933px; top: 707.107px; font-size: 18.3333px; font-family: serif; transform: scaleX(1.00008);">Tb</span><sup><span style="left: 110.365px; top: 706.732px; font-family: serif; transform: scaleX(1.0005);">3+</span></sup><span style="left: 121.737px; top: 707.103px; font-size: 18.3333px; font-family: serif; transform: scaleX(1.00812);"> with two main emissions at 489 nm and 546 nm which corresponding to </span><span style="left: 90.0023px; top: 728.773px; font-size: 18.3333px; font-family: serif; transform: scaleX(1.00015);">the</span><sup><span style="left: 112.398px; top: 728.399px; font-family: serif;">5</span></sup><span style="left: 117.74166666666665px; top: 728.77px; font-size: 18.333333333333332px; font-family: serif;">D</span><sub><span style="left: 130.981px; top: 740.609px; font-family: serif;">4</span></sub><span style="left: 140.10216666666665px; top: 725.1033333333334px; font-size: 18.333333333333332px; font-family: sans-serif;">→</span><sup><span style="left: 158.437px; top: 728.399px; font-family: serif;">7</span></sup><span style="left: 163.7815px; top: 728.77px; font-size: 18.333333333333332px; font-family: serif;">F</span><sub><span style="left: 173.978px; top: 740.609px; font-family: serif;">6</span></sub><span style="left: 179.322px; top: 728.77px; font-size: 18.3333px; font-family: serif; transform: scaleX(0.954911);"> and </span><sup><span style="left: 213.35px; top: 728.399px; font-family: serif;">5</span></sup><span style="left: 218.69366666666662px; top: 728.77px; font-size: 18.333333333333332px; font-family: serif;">D</span><sub><span style="left: 231.933px; top: 740.609px; font-family: serif;">4</span></sub><span style="left: 241.05416666666665px; top: 725.1033333333334px; font-size: 18.333333333333332px; font-family: sans-serif;">→</span><sup><span style="left: 259.389px; top: 728.399px; font-family: serif;">7</span></sup><span style="left: 264.7335px; top: 728.77px; font-size: 18.333333333333332px; font-family: serif;">F</span><sub><span style="left: 274.93px; top: 740.609px; font-family: serif;">5</span></sub><span style="left: 280.274px; top: 728.77px; font-size: 18.3333px; font-family: serif; transform: scaleX(0.979396);"> transitions respectively in this ion. The OSL and TL </span><span style="left: 89.9922px; top: 750.44px; font-size: 18.3333px; font-family: serif; transform: scaleX(1.02536);">characteristics have been analyzed. The stimulation blue light (497 nm) of a </span><span style="left: 89.9922px; top: 772.11px; font-size: 18.3333px; font-family: serif; transform: scaleX(0.997638);">diode laser at 500 mA was used to bleach the thermoluminescent (TL) signals </span><span style="left: 89.9922px; top: 793.78px; font-size: 18.3333px; font-family: serif; transform: scaleX(0.955775);">obtained with 5Gy of </span><sup><span style="left: 261.318px; top: 793.399px; font-family: serif; transform: scaleX(1.00203);">60</span></sup><span style="left: 272.006px; top: 793.77px; font-size: 18.3333px; font-family: serif; transform: scaleX(0.952388);">Co source. The two main glow peaks (79 and 161 </span><span style="left: 89.9928px; top: 815.44px; font-size: 18.3333px; font-family: serif; transform: scaleX(1.02163);">°C) are sensitives under 497 nm stimulation, and they were shifted to higher </span><span style="left: 89.9928px; top: 837.11px; font-size: 18.3333px; font-family: serif; transform: scaleX(0.982456);">temperature values and faded their TL intensities. Similar behavior of TL glow </span><span style="left: 89.9928px; top: 858.78px; font-size: 18.3333px; font-family: serif; transform: scaleX(0.938105);">curves before and after OSL stimulation with blue light was observed when </span><span style="left: 89.9928px; top: 880.45px; font-size: 18.3333px; font-family: serif; transform: scaleX(1.00829);">the samples were exposed to 30 Gy gamma dose of </span><sup><span style="left: 473.984px; top: 880.065px; font-family: serif; transform: scaleX(1.00203);">137</span></sup><span style="left: 490.016px; top: 880.437px; font-size: 18.3333px; font-family: serif; transform: scaleX(1.01312);">Cs irradiator. The OSL </span><span style="left: 90.0012px; top: 902.107px; font-size: 18.3333px; font-family: serif; transform: scaleX(1.00461);">signal response was linear with the dose range of 1-10 Gy and increased their </span><span style="left: 90.0012px; top: 923.777px; font-size: 18.3333px; font-family: serif; transform: scaleX(0.94441);">response up to 200 Gy gamma dose. The OSL shows a bleaching sensitive </span><span style="left: 90.0012px; top: 945.447px; font-size: 18.3333px; font-family: serif; transform: scaleX(0.991796);">shallow traps and diminishing the intensity of the TL glow curves remaining a </span><span style="left: 90.0012px; top: 967.117px; font-size: 18.3333px; font-family: serif; transform: scaleX(0.997549);">complex traps distribution. The RL, TL and OSL properties were investigated </span><span style="left: 90.0012px; top: 988.787px; font-size: 18.3333px; font-family: serif; transform: scaleX(1.00002);">in Zn(BO</span><sub><span style="left: 160.782px; top: 1000.61px; font-family: serif;">2</span></sub><span style="left: 166.12633333333332px; top: 988.77px; font-size: 18.333333333333332px; font-family: serif;">)</span><sub><span style="left: 172.231px; top: 1000.61px; font-family: serif;">2</span></sub><span style="left: 177.576px; top: 988.77px; font-size: 18.3333px; font-family: serif; transform: scaleX(0.999935);">:Tb</span><sup><span style="left: 203.035px; top: 988.399px; font-family: serif; transform: scaleX(1.0005);">3+</span></sup><span style="left: 214.407px; top: 988.77px; font-size: 18.3333px; font-family: serif; transform: scaleX(1.01239);"> phosphor. </span></p>}, number={1}, journal={Journal of Nuclear Physics, Material Sciences, Radiation and Applications}, author={Cruz-Zaragoza, E. and Rosario, G. Cedillo Del and Hipolito, M. Garcia and Marcazzo, J. and Hernandez A., J. M. and Camarilo, E. and Murrieta S., H.}, year={2017}, month={Aug.}, pages={169–178} }