Thermoluminescence spectra of MgSO<sub>4</sub> doped with Tm,Dy and Mn

TAN Zhijian TANG Qiang ZHANG Chunxiang LUO Daling

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Thermoluminescence spectra of MgSO₄ doped with Tm,Dy and Mn

更新时间：2021-03-05

- Thermoluminescence spectra of MgSO₄ doped with Tm,Dy and Mn
- NUCLEAR TECHNIQUES Vol. 35, Issue 4, (2012)
- 作者机构：
  
  中山大学物理科学与工程技术学院
- 作者简介：
- 基金信息：
  
  国家自然科学基金(No.10505033);中央高校基本科研业务费专项资金资助
- DOI：
  CLC： O482.31
- Published：01 April 2012
- 稿件说明：
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[1]谭志坚,唐强,张纯祥,罗达玲.掺Dy,Tm和Mn的MgSO_4磷光体的热释光发光谱研究[J].核技术,2012,35(04):281-285.

TAN Zhijian TANG Qiang ZHANG Chunxiang LUO Daling. Thermoluminescence spectra of MgSO₄ doped with Tm,Dy and Mn[J]. Nuclear techniques, 2012, 35(4): 281-285.
[1]谭志坚,唐强,张纯祥,罗达玲.掺Dy,Tm和Mn的MgSO_4磷光体的热释光发光谱研究[J].核技术,2012,35(04):281-285. DOI：

TAN Zhijian TANG Qiang ZHANG Chunxiang LUO Daling. Thermoluminescence spectra of MgSO₄ doped with Tm,Dy and Mn[J]. Nuclear techniques, 2012, 35(4): 281-285. DOI：

摘要

用高温固相法研制了MgSO

:Dy

MgSO

:Tm和MgSO

:Mn热释光材料

并通过将MgSO

:Dy和MgSO

:Mn混合

以及MgSO

:Tm和MgSO

:Mn混合烧结得到了双掺杂样品MgSO

:Dy

MgSO

:Tm

Mn。分别测量了这两种样品在不同热处理温度下的三维发光谱。实验结果表明热处理温度为700℃时的样品

在测量加热过程中观察到Dy和Mn离子分别发光

但超过800℃后

Mn发光强度逐渐变弱

而Tm、Dy的高温发光峰逐渐变强

其它温度的发光峰受到抑制。这表明热释光材料中形成的缺陷复合体结构与热处理温度相关

随着热处理温度的升高

愈来愈多的Mn离子与稀土离子结合紧密

因此在热释光发光谱中清楚地观察到Mn离子对稀土离子的能量转移和对Tm、Dy低于400℃发光峰进行抑制的发光过程。

Abstract

In this paper

MgSO

:Dy

MgSO

:Tm and MgSO

:Mn phosphors are prepared by high temperature solid state reaction.The MgSO

:Dy and MgSO

:Tm are mixed and sintered with MgSO

:Mn to obtain MgSO

:Dy

Mn and MgSO

:Tm

Mn co-doped TL dosimeters.The TL spectra show that Dy

Tm and Mn ions glow independently at sintering temperature of 700°C.At sintering temperatures of over 800°C

the glow peak of Mn becomes weak

but the high temperature peaks of Dy and Tm become strong.These indicate that the formation of TL defect complex depends on the sintering temperature.At higher sintering temperatures

more Mn ions are combined with the rare earth ions

therefore

we can observe clearly the luminescence processes of the energy transfer of Mn ions to the rare earth ions and the suppression to low temperature peaks of Tm and Dy.

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Thermoluminescence spectra of MgSO4 doped with Tm,Dy and Mn

DOI：

摘要

Abstract

关键词

Keywords

references

Thermoluminescence spectra of MgSO₄ doped with Tm,Dy and Mn