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LiB3O5 pyroceramic for thermoluminescent dosimeters
 

1Adamiv V. T., 1Burak Ya. V., 1Teslyuk I. M., 2Antonyak O. T., 3Moroz I. E. and 4,5Malynych S. Z.

1Vlokh Institute of Physical Optics, 23 Dragomanov Street, 79005 Lviv, Ukraine
2Department of Experimental Physics, Ivan Franko Lviv National University, 8 Kyrylo and Methodiy Street, 79005 Lviv, Ukraine
3Department of Physics, Lviv Polytechnic National University, 12 S. Bandera Street, 79013 Lviv, Ukraine
4Department of Photonics, Lviv Polytechnic National University, 12 S. Bandera Street, 79013 Lviv, Ukraine
5Department of Electromechanics and Electronics, Hetman Petro Sahaidachnyi National Army Academy, 32 Heroes of Maidan Street, 79012 Lviv, Ukraine

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Abstract. We report on preparation procedures and thermoluminescent properties of undoped and Ag-doped lithium triborate (LiB3O5) pyroceramics. They are prepared using a technique of special annealing of LiB3O5 glass. X-ray diffraction studies of our pyroceramic reveal formation of a large number of nanosized crystallites within amorphous matrix. The crystalline structure and the nature of thermoluminescence in the LiB3O5 pyroceramic are discussed. We demonstrate that this pyroceramic represents a material promising for radiation dosimetry.

Keywords: lithium triborate, glasses, pyroceramic, thermoluminescence, radiation dosimeters

UDC: 535.37
Ukr. J. Phys. Opt. 20 159-167
doi: 10.3116/16091833/20/4/159/2019
Received: 23.09.2019

Анотація. Досліджено процедури приготування та термолюмінесцентні властивості пірокераміки триборату літію (LiB3O5), легованої Ag. Її виготовлено за технологією спеціального відпалу скла LiB3O5. Рентгенівські дифракційні дослідження пірокераміки виявили факт формування в аморфній матриці значної кількості нанорозмірних кристалітів. Обговорено кристалічну структуру та природу термолюмінесценції в пірокераміці LiB3O5. Продемонстровано, що вона є матеріалом, перспективним для радіаційної дозиметрії.
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