6533b85efe1ef96bd12c083d
RESEARCH PRODUCT
Usability of Cr-Doped Alumina in Dosimetry
Krisjanis SmitsErnests EinbergsAleksejs ZolotarjovsLaima TrinklerKrisjanis AuzinsIvita BiteKatrina Laganovskasubject
Materials scienceAnalytical chemistry02 engineering and technologyCrystal structureAl<sub>2</sub>O<sub>3</sub>: Cr010402 general chemistrylcsh:Chemical technology01 natural sciencesThermoluminescencelcsh:TechnologyImpurityDosimetrysol-gellcsh:TP1-1185Sol-gelDosimeterdosimetrylcsh:TGeneral Medicine021001 nanoscience & nanotechnologyalumina0104 chemical scienceschromium0210 nano-technologyLuminescenceSingle crystaldescription
Dosimetry is a widespread material science field dealing with detection and quantification of ionizing radiation using electronic processes in materials. One of the main aspects that determines the performance of dosimeters is the type of defects the material contains. Crystalline lattice imperfections are formed around impurity ions, which may have a smaller or larger size, or different oxidation states compared to host ions. In this study, we show what effects Cr impurities have on the luminescent properties of alumina. Porous Al 2 O 3 : Cr microceramics synthesized using the sol-gel method showed a higher thermoluminescence response than a single crystal ruby. We have found that Cr 2 O 3 concentration of 0.2 wt% was optimal
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2019-09-02 | Ceramics |