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Time-resolved cathodoluminescence and photoluminescence of nanoscale oxides

✍ Scribed by L. Grigorjeva; D. Millers; A. Kalinko; V. Pankratov; K. Smits

Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
509 KB
Volume
29
Category
Article
ISSN
0955-2219

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✦ Synopsis

The nanostructured oxide materials such as ZnO, ZrO 2 , and Y 3 Al 5 O 12 (YAG) are perspective materials for transparent scintillating and/or laser ceramics. The luminescence properties of single crystals, nanopowders and ceramic were compared. Nominally pure and rare-earth doped nanopowders and ceramics have been studied by means of time-resolved luminescence spectroscopy.

The fast blue luminescence band was studied in ZnO ceramics sintering from different raw materials.

The luminescence centres of ZrO 2 :Y were compared in a single crystal, ceramic and nanopowder.

It is shown that ceramic sintering parameters have a strong influence on time-resolved luminescence characteristics in cerium-doped YAG.

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