Optical and thermally-stimulated luminescence properties of Ce-doped Al2O3 transparent ceramics

Optical and thermally-stimulated luminescence properties of Ce-doped Al2O3 transparent ceramics
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Ce掺杂Al2O3透明陶瓷的光热激发发光性能

DOI:
10.1016/j.ijleo.2022.169435
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发表时间:
2022
期刊:
影响因子:
3.1
通讯作者:
Yanagida Takayuki
Yanagida Takayuki
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Kato Takumi;Fukushima Hiroyuki;Nakauchi Daisuke;Kawaguchi Noriaki;Yanagida Takayuki

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研究了Ce掺杂Al 2 O3透明陶瓷的光学和热释光特性。采用放电等离子烧结法制备了透明陶瓷。Ce掺杂的Al 2 O3透明陶瓷表现出光致发光(PL)、辐射发光和TSL峰,其峰值在400 nm附近,由Ce 3+的5d-4 f跃迁引起。PL衰减曲线由衰减时间常数为21和43 ns的两个分量组成。TSL辉光曲线在71、130、184、251、284和362 °C处具有辉光峰。Ce掺杂量为0.1%的Al_2 O_3透明陶瓷具有最大的TSL强度。最小可探测剂量为0.03 mGy。
Optical and thermally-stimulated luminescence (TSL) properties of Ce-doped Al2O3transparent ceramics were investigated. The transparent ceramics were synthesized by the spark plasma sintering method. The Ce-doped Al2O3transparent ceramics showed photoluminescence (PL), radioluminescence, and TSL peaking at around 400 nm, caused by 5d-4 f transitions of Ce3+. The PL decay curve consisted of two components with decay time constants of 21 and 43 ns. The TSL glow curves had glow peaks at 71, 130, 184, 251, 284, and 362 °C. The 0.1% Ce-doped Al2O3transparent ceramic exhibited the maximum TSL intensity among the present samples. The minimum detectable dose was turned out to be 0.03 mGy.
放电等离子体烧结法合成Eu掺杂Al2O3透明陶瓷的光致发光、闪烁及TSL性能
DOI: 10.1016/j.optmat.2018.11.002
发表时间: 2019
期刊: Optical Materials
影响因子: 3.9
作者:
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