研究目的
To confirm the applicability of commercial CVD diamond as a TLD in radiotherapy environments by testing under different dose rates and doses of X-ray photons.
研究成果
The study concludes that commercially available single crystal electronic grade CVD diamond can be used securely in clinical radiotherapy environments involving low energy X-ray photons, despite the observed fading effects.
研究不足
The study acknowledges the strong fading exhibited by the samples, particularly the low temperature peak, and the need for further research to understand and identify the CVD defects responsible for the TLD performance.
1：Experimental Design and Method Selection:
The study involved exposing commercial synthetic CVD diamond samples to X-ray irradiation at varying dose rates and doses to analyze their thermoluminescence (TL) and dosimetry properties.
2：Sample Selection and Data Sources:
Commercial single crystal electronic (ELSC) synthetic CVD diamond was purchased from Element
3：List of Experimental Equipment and Materials:
A Varian VF-50J X-ray tube was used for irradiation, and TL measurements were performed with a RIS? TL/OSL reader model DA-
4：Experimental Procedures and Operational Workflow:
The diamond sample was irradiated with X-rays at dose rates of
5：9–120 Gy min?1, and TL glow curves were recorded from room temperature to 400 °C. Data Analysis Methods:
The TL glow curves were analyzed to determine the dose response, fading, and reproducibility of the TL signal.
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