铝酸镁尖晶石中缺陷和杂质离子的放射发光

2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE) Pub Date : 2012-09-01 DOI:10.1109/OMEE.2012.6464809

V. Gritsyna, Y. Kazarinov, A. Moskvitin

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引用次数: 2

摘要

研究了铝酸镁尖晶石晶体在不同时间、x射线照射强度和样品温度下的辐射发光特性。在反位缺陷、Mn2+-离子发射和Cr3+-离子发射的电子-空穴复合过程中，有三个突出的RL波段。所示RL辐射的增长动力学显示了本征缺陷和杂质离子在辐照下捕获自由载流子的竞争过程。

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Radio-luminescence of defects and impurity ions in magnesium aluminates spinel

The investigations of radio-luminescence (RL) in magnesium aluminates spinel crystals at variation of the time, intensity of X-irradiation and temperature of sample were provided. There were registered three prominent RL bands related to electron-hole recombination process at anti-site defects, emission of Mn2+-ions and emission of Cr3+-ions. The kinetics of the growth of indicated RL emissions show the competing processes of the capture of free charge carriers generated at irradiation by intrinsic defects and impurity ions.

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2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE)

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