کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1875648 | 1532079 | 2016 | 6 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Synthesis and thermoluminescence of LaAlO3:Pr3+ to UVC radiation dosimetry Synthesis and thermoluminescence of LaAlO3:Pr3+ to UVC radiation dosimetry](/preview/png/1875648.png)
• High sensitivity of new phosphor to UVC dosimetry was is studied.
• Thermoluminescence response of LaAlO3:Pr3+ is presented.
• LaAlO3:Pr3+ is suggested as UVCR dosimeter.
• TL response of LaAlO3:Pr3+ has dependence on sintering temperature.
Thermoluminescent (TL) response of trivalent praseodymium ion doped lanthanum aluminate (LaAlO3:Pr3+) obtained by Pechini method and Spray Dryer was studied. TL response of LaAlO3:Pr3+ powders submitted at 1600 °C exhibited one peak centered at 157 °C. Sensitivity of LaAlO3:Pr3+ was improved in around 90 times compared with undoped LaAlO3. TL response as a function of wavelength showed a maximum in 230 nm. Dosimetric characteristics of LaAlO3:Pr3+ under UVR radiation effects were analyzed. Evaluation of activation energy was obtained by Glow Fit v.1.3 software. Experimental results about thermoluminescent characteristics of LaAlO3:Pr3+ suggest as good candidate to be employed as a complementary thermoluminescent device with other TL phosphors as aluminum oxide
Journal: Applied Radiation and Isotopes - Volume 118, December 2016, Pages 12–17