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实验TL协议的优化,用于区分重组途径

P G Konstantinidis¹, G S Polymeris², E Tsoutsoumanos³

¹Aristotle University of Thessaloniki, Physics Department, Nuclear Physics and Elementary Particles Physics Section, GR-54124, Thessaloniki, Greece.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

|November 16, 2023

概括

这项研究引入了一种新的加热协议,用于分析MgB4O7:Dy,Na和BeO$_{R}$材料中的刺激发光机制. 该协议成功地确定了重组途径,仅在BeO$_{R}中观察到过渡.

科学领域:

固态物理固态物理
材料科学材料科学材料科学
发光发光约会约会

背景情况:

刺激发光现象对于材料表征和约会应用至关重要.
了解电子重组路径 (局部化,非局部化,半局部化) 是解释发光信号的关键.
现有的协议可能无法完全阐明所有材料中复杂的重组动态.

研究的目的:

为了研究一个改变的协议,对激发发光机制进行深入分析.
检查MgB4O7中的电子重组路径和捕获参数:Dy,Na (MBO) 和BeO$_{R}$.
确定协议是否可以显示不同重组机制之间的过渡.

主要方法:

开发和应用一种涉及特定加热处理的新型实验方案.
在高剂量下预热后使用快速异热衰变 (PID) 测量.
通过峰值形状方法 (PSM),初始上升 (IR) 和PID解卷方法进行验证.

主要成果:

新的协议有效地确定了MBO和BeO$_{R}$的重组途径.
在重组机制之间的过渡仅在BeO$_{R}$中观察到.
证实MBO具有两个不同的兴奋状态 (陷能量水平).

结论:

开发的协议是研究刺激发光重组机制的宝贵工具.
该协议成功地区分了重组路径,并揭示了特定材料的机械过渡,如BeO$_{R}$.
这项研究提高了对剂量计材料中电荷载体动态的理解.

关键词:

BeO(R) 的意思.最初的上升初步的上升.同热衰变是一种同热衰变.在MBO中,MBO是MBO.峰值形状的方法峰值形状的方法重组途径的过渡转变.

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