Thermoluminescence study of Cu,Ag and Mn doped lithium tetraborate single crystals and glasses |
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| Authors: | Magdalyna Ignatovych Mauro Fasoli András Kelemen |
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| Institution: | 1. O. Chuiko Institute of Surface Chemistry, NASU, 17 General Naumov Street, Kyiv 03164, Ukraine;2. University of Milan-Bicocca, Department of Material Science, via Cozzi 53, Milan 20125, Italy;3. Institute of Isotopes, HAS, P.O. Box 77, Budapest 1525, Hungary;1. University of Zielona Góra, Institute of Physics, Division of Spectroscopy of Functional Materials, 4a Szafrana Str., 65-516 Zielona Góra, Poland;2. Vlokh Institute of Physical Optics, Sector of Spectroscopy, 23 Dragomanov Str., 79-005 Lviv, Ukraine;3. Institute of Low Temperature and Structure Research of the Polish Academy of Sciences, Department of Spectroscopy of Laser Materials, 2 Okólna Str., 50-422 Wroc?aw, Poland;1. Turkish Atomic Energy Authority, Sarayköy Nuclear Research and Training Centre, 06983 Saray-Kazan, Ankara, Turkey;2. Department of Electrical and Electronics Engineering, Bilkent University, Ankara, Turkey;1. Department of Engineering Physics, Air Force Institute of Technology, Wright-Patterson Air Force Base, OH 45433, USA;2. Department of Physics and Astronomy, Nebraska Center for Materials and Nanoscience, University of Nebraska, Lincoln, Nebraska 68588, USA;3. Institute of Physical Optics, 23 Dragomanov St., Lviv 79005, Ukraine;4. Department of Physics, West Virginia University, Morgantown, WV 26505, USA |
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| Abstract: | Spectrally resolved thermoluminescence (TL) of non-doped and Ag, Cu? and Mn-doped lithium-tetraborate (LTB) single crystals revealed that TL emission bands for differently doped samples proved to be at different wavelengths: 272, 370 and 608 nm, respectively. These bands perfectly agree with the photoluminescence (PL) emission bands of Ag+, Cu+ and Mn2+ ions. It strongly points that these dopants are directly involved as recombination centers in the TL process.TL characteristics of non-doped and doped LTB single crystals and the corresponding glassy samples showed that their TL intensities and the structures of the glow curves were apparently different. |
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