Fast 5d-4f luminescence in Sr9RE(PO4)7 (RE = Sc, Lu) complex phosphates doped with Pr3+ ions

PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference Pub Date : 2019-12-06 DOI:10.1063/1.5134329

E. Trofimova, V. Pustovarov, Q. Shi

{"title":"Fast 5d-4f luminescence in Sr9RE(PO4)7 (RE = Sc, Lu) complex phosphates doped with Pr3+ ions","authors":"E. Trofimova, V. Pustovarov, Q. Shi","doi":"10.1063/1.5134329","DOIUrl":null,"url":null,"abstract":"The paper studies 5d→4f transitions in Sr9RE(PO4)7 (RE = Sc, Lu) doped with Pr3+ under X-ray and ultraviolet (UV) excitation at various temperatures and with different Pr3+ ions content. In objects with Sc, 5d → 4f emission is negligible compared to 4f → 4f emission. When Sc is substituted with Lu, 5d → 4f transition emission yield is immense under excitation in both energy ranges, while emission related to 4f → 4f transitions is weak, especially under UV excitation. X-ray luminescence yield strongly depends on temperature; the effect is stronger for objects with Lu. Luminescence decay kinetics measured for Sr9Sc(PO4)7:Pr3+ have a fast (τ∼15 ns) component. Novel Pr3+-doped phosphors may be used as a promising material for fast efficient converters of ionizing radiation.The paper studies 5d→4f transitions in Sr9RE(PO4)7 (RE = Sc, Lu) doped with Pr3+ under X-ray and ultraviolet (UV) excitation at various temperatures and with different Pr3+ ions content. In objects with Sc, 5d → 4f emission is negligible compared to 4f → 4f emission. When Sc is substituted with Lu, 5d → 4f transition emission yield is immense under excitation in both energy ranges, while emission related to 4f → 4f transitions is weak, especially under UV excitation. X-ray luminescence yield strongly depends on temperature; the effect is stronger for objects with Lu. Luminescence decay kinetics measured for Sr9Sc(PO4)7:Pr3+ have a fast (τ∼15 ns) component. Novel Pr3+-doped phosphors may be used as a promising material for fast efficient converters of ionizing radiation.","PeriodicalId":418936,"journal":{"name":"PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference","volume":"19 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1063/1.5134329","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}

引用次数: 1

Abstract

The paper studies 5d→4f transitions in Sr9RE(PO4)7 (RE = Sc, Lu) doped with Pr3+ under X-ray and ultraviolet (UV) excitation at various temperatures and with different Pr3+ ions content. In objects with Sc, 5d → 4f emission is negligible compared to 4f → 4f emission. When Sc is substituted with Lu, 5d → 4f transition emission yield is immense under excitation in both energy ranges, while emission related to 4f → 4f transitions is weak, especially under UV excitation. X-ray luminescence yield strongly depends on temperature; the effect is stronger for objects with Lu. Luminescence decay kinetics measured for Sr9Sc(PO4)7:Pr3+ have a fast (τ∼15 ns) component. Novel Pr3+-doped phosphors may be used as a promising material for fast efficient converters of ionizing radiation.The paper studies 5d→4f transitions in Sr9RE(PO4)7 (RE = Sc, Lu) doped with Pr3+ under X-ray and ultraviolet (UV) excitation at various temperatures and with different Pr3+ ions content. In objects with Sc, 5d → 4f emission is negligible compared to 4f → 4f emission. When Sc is substituted with Lu, 5d → 4f transition emission yield is immense under excitation in both energy ranges, while emission related to 4f → 4f transitions is weak, especially under UV excitation. X-ray luminescence yield strongly depends on temperature; the effect is stronger for objects with Lu. Luminescence decay kinetics measured for Sr9Sc(PO4)7:Pr3+ have a fast (τ∼15 ns) component. Novel Pr3+-doped phosphors may be used as a promising material for fast efficient converters of ionizing radiation.

查看原文

微信好友朋友圈 QQ好友复制链接

本刊更多论文

掺杂Pr3+离子的Sr9RE(PO4)7 (RE = Sc, Lu)配合磷酸盐的快速5d-4f发光

本文研究了在不同温度和不同Pr3+离子含量下，掺杂Pr3+的Sr9RE(PO4)7 (RE = Sc, Lu)在x射线和紫外线激发下的5d→4f跃迁。在含Sc的物体中，5d→4f发射与4f→4f发射相比可以忽略不计。当Sc被Lu取代时，在两个能级激发下5d→4f跃迁的发射产率都很大，而4f→4f跃迁的发射产率较弱，特别是在UV激发下。x射线发光产额强烈依赖于温度;带有Lu的物体效果更强。Sr9Sc(PO4)7:Pr3+具有快速(τ ~ 15 ns)的发光衰减动力学。新型的Pr3+掺杂荧光粉有望成为一种快速高效的电离辐射转换材料。本文研究了在不同温度和不同Pr3+离子含量下，掺杂Pr3+的Sr9RE(PO4)7 (RE = Sc, Lu)在x射线和紫外线激发下的5d→4f跃迁。在含Sc的物体中，5d→4f发射与4f→4f发射相比可以忽略不计。当Sc被Lu取代时，在两个能级激发下5d→4f跃迁的发射产率都很大，而4f→4f跃迁的发射产率较弱，特别是在UV激发下。x射线发光产额强烈依赖于温度;带有Lu的物体效果更强。Sr9Sc(PO4)7:Pr3+具有快速(τ ~ 15 ns)的发光衰减动力学。新型的Pr3+掺杂荧光粉有望成为一种快速高效的电离辐射转换材料。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文去求助

来源期刊

PHYSICS, TECHNOLOGIES AND INNOVATION (PTI-2019): Proceedings of the VI International Young Researchers’ Conference

自引率

0.00%

发文量

期刊最新文献

Probabilistic model of error distribution for satellite navigation Measurement of the directional dose equivalent at workplaces of a nuclear power plant Morphological stability of the interface of a bubble growing in a fluid. Two-dimensional case Red-ox processes involving niobium in alkali chloride melts Movement of head and center of mass: Joint assessment