Optically stimulated luminescence performance of AlON:C transparent ceramics

Jinxiang SHOU; Xingyong GU; Yuqi ZOU; Zhaoquan ZHANG; Wugang FAN; Huanzhe TONG

doi:10.11889/j.1000-3436.2017.rrj.35.060801

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Optically stimulated luminescence performance of AlON:C transparent ceramics

RADIATION PHYSICS | 更新时间：2021-12-10

- Optically stimulated luminescence performance of AlON:C transparent ceramics
- Journal of Radiation Research and Radiation Processing Vol. 35, Issue 6, (2017)
- 作者机构：
  
  1.景德镇陶瓷大学材料科学与工程学院景德镇 333403
  2.中国科学院上海硅酸盐研究所上海 200050
- 作者简介：
- 基金信息：
  
  the National Science and Technology Major Project(2016ZX06001002-005-001);National Natural Science Foundation of China(11775312)
- DOI：10.11889/j.1000-3436.2017.rrj.35.060801
  CLC：
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Jinxiang SHOU, Xingyong GU, Yuqi ZOU, et al. Optically stimulated luminescence performance of AlON:C transparent ceramics. [J]. Journal of Radiation Research and Radiation Processing 35(6):060801-5(2017)
DOI：

Jinxiang SHOU, Xingyong GU, Yuqi ZOU, et al. Optically stimulated luminescence performance of AlON:C transparent ceramics. [J]. Journal of Radiation Research and Radiation Processing 35(6):060801-5(2017) DOI： 10.11889/j.1000-3436.2017.rrj.35.060801.

摘要

以高纯α-Al,2,O,3,粉与AlN粉为原料，采用无压烧结，通过气氛渗透，在烧制过程中掺入等量碳的方法制备AlON：C透明陶瓷，研究AlON：C透明陶瓷的光释光性能。结果发现：AlON：C透明陶瓷光释光衰变曲线都随着时间呈指数变化衰减，前期衰减快，后期衰减速率变慢；470 nm蓝光不能清空光释光信号，光释光有信号堆积现象。β射线辐照下，AlON：C陶瓷的光释光剂量响应曲线呈线性、亚线性，并有趋向饱和的特点；AlON：C透明陶瓷对β射线的光释光响应曲线在50 mGy~50 Gy与50~100 Gy吸收剂量范围内呈非常良好的线性关系；在50~500 mGy吸收剂量范围内，β与γ射线光释光响应线性良好，γ射线辐照下的光释光强度约为β射线辐照下的光释光强度的76%。

Abstract

AlON:C transparent ceramics were prepared by pressureless sintering method with high purity α-Al,2,O,3, powder and AlN powder as raw materials, and the same amount of carbon was incorporated into AlON transparent ceramics by atmosphere infiltration method, research the optically stimulated luminescence (OSL) performance of AlON:C transparent ceramics. The OSL decay curves of AlON:C transparent ceramics are exponentially decaying with time, fast at the beginning, and slowly later on. 470 nm blue light cannot empty the optically stimulated luminescence signal, which has a signal accumulation phenomenon. The OSL intensity response curves of AlON:C irradiated under β-ray irradiation are linear to sub-linear and tend to be saturated. The OSL response curve of AlON:C transparent ceramics for β-ray shows an excellent linear characteristic, respectively, in the range of 50 mGy~50 Gy and 50~100 Gy; in the range of 50~500 mGy, it shows an excellent linear characteristic to β-rays and γ-rays. The intensity of OSL under γ-ray irradiation is about 76% of that of OSL under β-ray irradiation.

关键词

AlON:Cβ射线γ射线光释光

Keywords

AlON:Cβ-raysγ-raysOptically stimulated luminescence

references

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