<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml">In 1980, a single LiF crystal was irradiated by thermal neutrons up to the exposition dose 1019 n/cm2 at the Salaspils nuclear reactor. The crystal has been kept at room temperature for 29 years. Samples in size of 5×4×1 mm3 were cut from the crystal and some of them annealed at 920 K for 30 min. To study photoluminescence, measurements with a confocal laser scanning microscope Leica TCS SP5 were performed, during which 3D-defects of size of ~1μm3 were revealed. Photoluminescence was observed in the red spectral region with the peak of ~ 655 nm when excited with an argon laser (Δ = 458 nm).</abstract>

In 1980, a single LiF crystal was irradiated by thermal neutrons up to the exposition dose 1019 n/cm2 at the Salaspils nuclear reactor. The crystal has been kept at room temperature for 29 years. Samples in size of 5×4×1 mm3 were cut from the crystal and some of them annealed at 920 K for 30 min. To study photoluminescence, measurements with a confocal laser scanning microscope Leica TCS SP5 were performed, during which 3D-defects of size of ~1μm3 were revealed. Photoluminescence was observed in the red spectral region with the peak of ~ 655 nm when excited with an argon laser (Δ = 458 nm).

Photoluminescence of Neutron-Irradiated LiF Single Crystals

Daugavpils University, 1 Parades Str., Daugavpils, LV-5401, LATVIA

Latvian Journal of Physics and Technical Sciences

{"article-title":"Photoluminescence of Neutron-Irradiated LiF Single Crystals"}

In 1980, a single LiF crystal was irradiated by thermal neutrons up to the exposition dose 1019 n/cm2 at the Salaspils nuclear reactor. The crystal has been...

Photoluminescence of Neutron-Irradiated LiF Single Crystals

Online veröffentlicht: 22. Sept. 2010

Seitenbereich: 59 - 65

DOI: https://doi.org/10.2478/v10047-010-0019-9

Schlüsselwörter
LiF crystals, dose 10 n/cm, luminescence, annealing

This content is open access.

Photoluminescence of Neutron-Irradiated LiF Single Crystals

Online veröffentlicht: 22. Sept. 2010

Seitenbereich: 59 - 65

DOI: https://doi.org/10.2478/v10047-010-0019-9

SchlüsselwörterLiF crystals, dose 10 n/cm, luminescence, annealing

This content is open access.

Schlüsselwörter
LiF crystals, dose 10 n/cm, luminescence, annealing