Title :
The thermoluminescence of α-Al2O3 laser-irradiated dosymetric crystals
Author :
Shwaizer, A.N. ; Smirnov, S.V.
Author_Institution :
Tomsk Polytech. Univ., Russia
Abstract :
The anion-defective crystals α-Al2O3 are perspective materials for ionizing and nonionizing radiation detectors. It is known that the creation in a corundum lattice with a high concentration of oxygen vacancies (F-centers) gives this material the necessary dosimeter properties. The most effective method of creating a high concentration of F-centers is processing of the crystal surface by powerful laser radiation. We irradiate the surface of a α-Al2O3 crystal using a YAG laser. Cathodeluminescence and thermostimulate luminescence measurements are performed to study the crystal defects produced by laser irradiation
Keywords :
F-centres; cathodoluminescence; corundum; laser beam effects; thermoluminescence; vacancies (crystal); Al2O3; F-centers; anion-defective crystals; cathodeluminescence; corundum lattice; dosymetric crystals; laser-irradiation; oxygen vacancies; radiation detector materials; thermoluminescence; thermostimulate luminescence measurements; Conducting materials; Control systems; Crystalline materials; Crystals; Lattices; Optical materials; Radiation detectors; Radio control; Radiography; Temperature measurement;
Conference_Titel :
Electron Devices and Materials, 2002. SIBEDEM 2002. The IEEE-Siberian Conference on
Conference_Location :
Tomsk
Print_ISBN :
0-7803-7274-3
DOI :
10.1109/SIBEDM.2002.998051
