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http://repositoriodigital.ipn.mx/handle/123456789/11450| Título : | Preparation of CaSO4:Dy by precipitation method to gamma radiation dosimetry |
| Palabras clave : | DYSPROSIUM GAMMA RADIATION |
| Fecha de publicación : | 16-ene-2013 |
| Descripción : | This paper presents the results of the preparation and characterization of dysprosium-doped calcium sulfate (CaSO4:Dy) phosphor, which was obtained by homogeneous precipitation from calcium acetate Ca(CH3COO )2. Structural and morphological characteristics were studied using a scanning electronic microscope (SEM). The structure of all compounds was determined by X-ray diffraction method too. Thermoluminescence (TL) emission properties of CaSO4:Dy under gamma radiation effects were studied. This phosphor powder presented a TL glow curve with two peaks (Tmax) centered at around of 180 and 300 1C, respectively. The TL response of CaSO4:Dy as a function of gamma absorbed dose was linear in a wide range. Both emission and excitation spectrawere also obtained. Results showed that this new preparation method of CaSO4:Dy TL phosphor is less expensive, cleaner and safer than the conventional preparation method. |
| URI : | http://www.repositoriodigital.ipn.mx/handle/123456789/11450 |
| Otros identificadores : | http://hdl.handle.net/123456789/969 |
| Aparece en las colecciones: | Doctorado |
Ficheros en este ítem:
| Fichero | Descripción | Tamaño | Formato | |
|---|---|---|---|---|
| RESUMENPreparation of CaSO4.docx | 12.54 kB | Microsoft Word XML | Visualizar/Abrir |
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