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UTILIZATION OF LITHIUM BORATE COMPOUNDS IN MEDICAL DOSIMETRIC MATERIALS

2010-01-01
Ozbayoglu, Gulhan
Yılmaz, Ayşen
Yazici, Necmeddin
Natural and synthetic borates find widespread use in different industries. Among synthetic borates, the lithium borate compounds, lithium tetraborate (Li2B4O7) and lithium triborate (LiB3O5) are very important due to their thermoluminescence (TL) properties and usage potential in radiational dosimetry. It is possible to define the phenomenon of thermoluminescence (TL) or thermally stimulated luminescence (TSL) in several different ways, the simplest of which is emission of light when an irradiated material is heated. First major utilization area of thermoluminescence is the "radiation dosimetry". Radiation dosimetry is simply the measurement and/or calculation of the absorbed dose from an exposure to ionizing radiation in tissue and in matter. When a dosimeter is employed to measure the radiation in a tissue, i.e., the radiation that a person is exposed to, it is used either in personnel dosimetry or medical dosimetry.