Scintillation Crystal Mg4Ta2O9 and Its Doping Modification for Container Security Applications; [面向集装箱安检应用的Mg4Ta2O9闪烁晶体及其掺杂改性] - Details

Author：

Ma, Y. (Ma, Y..) | Xu, J. (Xu, J..) | Jiang, Y. (Jiang, Y..) | Bourret-Courchesne, E. (Bourret-Courchesne, E..)

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Abstract：

The　decay　time　of　magnesium　tantalate　(Mg4Ta2O9)　crystal　is　shorter　than　that　of　CdWO4　crystal,　and　its　light　yield　and　energy　resolution　are　slightly　higher　than　that　of　CdWO4　crystal　respectively.　Its　afterglow　is　0.01%/3　ms　as　low　as　that　of　CdWO4.　In　addition,　the　Mg4Ta2O9　crystal　has　no　toxic　elements,　and　will　be　one　of　the　best　candidate　materials　in　the　field　of　container　security　inspection　for　replacing　CdWO4　crystal　which　containing　toxic　element　Cd.　The　research　progresses　in　the　structural　properties,　crystal　growth,　scintillation　properties　and　doping　modification　of　Mg4Ta2O9　crystals　are　reviewed.　The　research　show　that　Mg4Ta2O9　doping　with　Zn2+　or　Nb5+　ions　can　significantly　increase　its　light　yield.　©　2021,　Journal　of　Synthetic　Crystals　Press.　All　right　reserved.

Keyword：

Micro-pulling-down method Mg4Ta2O9 Doping Optical floating-zone method Scintillation crystal Magnesium tantalite crystal

Author Community：

[ 1 ] [Ma Y.]School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai, 201418, China
[ 2 ] [Xu J.]School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai, 201418, China
[ 3 ] [Jiang Y.]Institute of Laser Engineering, Beijing University of Technology, Beijing, 100124, China
[ 4 ] [Bourret-Courchesne E.]Lawrence Berkeley National Laboratory, University of California, Berkeley, 94720, CA, United States

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Source ：

Journal of Synthetic Crystals

ISSN： 1000-985X

Year： 2021

Issue： 10

Volume： 50

Page： 1870-1878

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WoS CC Cited Count： 0

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 5

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