کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1686319 | 1518762 | 2006 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Thermoluminescence kinetic parameters of Bi4Ge3O12 single crystals
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سطوح، پوششها و فیلمها
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چکیده انگلیسی
In this work, we present a detailed kinetic study of the thermoluminescence of Bi4Ge3O12 (BGO) single crystals grown by the Czochralski technique. A single crystalline phase was confirmed through X-ray diffraction pattern analysis based on the Rietveld profile refinement method. The thermoluminescent (TL) glow curves were induced by UV or beta radiation and measured between 20 °C and 200 °C. The glow curves of BGO crystal presented two peaks at 61 °C and 90 °C for both kinds of radiation. The kinetic parameters, kinetic order (b), activation energy (E) and frequency factor (s), of the TL glow curves have been determined by four different methods. The lifetime of the peaks at room temperature was also determined and used to discuss the stability of the TL peaks at room temperature.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms - Volume 250, Issues 1â2, September 2006, Pages 390-395
Journal: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms - Volume 250, Issues 1â2, September 2006, Pages 390-395
نویسندگان
Ronaldo Santos da Silva, Zélia Soares Macedo, André Luiz Martinez, Antonio Carlos Hernandes, Mário Ernesto Giroldo Valerio,