Parametric study of plasma-mediated thermoluminescence produced by Al2O3 sub-micron powders

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Authors

MORÁVEK Tomáš AMBRICO P. F. AMBRICO M. SCHIAVULLI L. RÁHEĽ Jozef

Year of publication 2017
Type Article in Periodical
Magazine / Source JOURNAL OF PHYSICS D-APPLIED PHYSICS
MU Faculty or unit

Faculty of Science

Citation
Web https://doi.org/10.1088/1361-6463/aa82e1
Doi http://dx.doi.org/10.1088/1361-6463/aa82e1
Field Plasma physics
Keywords thermoluminescence; DCSBD; DBD; Al2O3; charge trapping
Description Sub-micron Al2O3 powders with a surface activated by dielectric barrier discharge exhibit improved performance in wet deposition of ceramic layers. In addressing the possible mechanisms responsible for the observed improvement, a comprehensive thermoluminescence (TL) study of plasma-activated powders was performed. The study covers a wide range of experimental conditions affecting the TL of powders: treatment time, plasma working gas composition, change of discharge configuration, step-annealing of powder, exposure to laser irradiation and aging time.
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