Thin-layer thermoluminescent dosemeters based on high-temperature self-adhesive tape

Area of Science:

• Materials Science
• Radiation Dosimetry
• Solid-State Physics

Background:

• Accurate radiation dosimetry is crucial for medical and research applications.
• Existing thin-layer dosimeters may have limitations in reproducibility or cost.
• Thermoluminescent materials, like lithium fluoride, are widely used for radiation detection.

Purpose of the Study:

• To fabricate a novel, cost-effective thin-layer dosimeter.
• To evaluate the performance characteristics of the developed dosimeter, including reproducibility, matching, and energy dependence.

Main Methods:

• Coating commercially available, high-temperature self-adhesive tape with thermoluminescent lithium fluoride crystals.
• Optimizing crystal loading and reproducibility by spreading materials onto heated tape.
• Utilizing sieved and washed ground crystalline material for enhanced performance.
• Testing dosemeters with loadings of 12.2 mg cm⁻² and 5.9 mg cm⁻² for key dosimetric properties.

Main Results:

• The fabricated dosemeters demonstrated exceptional reproducibility and matching.
• The material exhibited suitable sensitivity to light and photon energy dependence.
• The manufacturing process proved to be simple and inexpensive.

Conclusions:

• The developed lithium fluoride tape-based dosimeters are a promising, low-cost solution for radiation measurement.
• These thin-layer dosimeters offer approximate tissue equivalence, making them suitable for various applications.
• The fabrication method allows for high loading and excellent reproducibility.