LGSO:Ce scintillation crystal optimization by thermal treatment

详细信息    查看全文

• 作者：D. Kurtsev ; O. Sidletskiy ; ^{sidletskiy@isma.kharkov.ua" class="auth_mail} ; S. Neicheva ; V. Bondar ; O. Zelenskaya ; V. Tarasov ; M. Biatov ; A. Gektin
• 关键词：A. oxides ; B. crystal growth ; D. luminescence ; D. defects
• 刊名：Materials Research Bulletin
• 出版年：April, 2014
• 年：2014
• 卷：52
• 期：Complete
• 页码：25-29
• 全文大小：1001 K

文摘

Impact of post-growth thermal treatment parameters (temperature, duration, atmosphere composition) on optical, luminescent, and scintillation characteristics of Lu_2xGd_2鈭?xSiO₅:Ce LGSO:Ce has been analyzed. Absorption, X-ray luminescence spectra, thermostimulated luminescence curves, as well as light yield and energy resolution, have been measured before and after thermal treatment in different regimes. Scintillator optimization by thermal treatment allows to improve the energy resolution up to 6.7% at 662 keV.