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Laser excited novel near-infrared photoluminescence bands in fast neutron-irradiated MgO center dot nAl(2)O(3)

文献类型：期刊论文

作者Rahman, Abu Zayed Mohammad Saliqur1,2; Haseeb, A. S. M. A.2; Xu, Qiu3; Evslin, Jarah4; Cinausero, Marco5
刊名RADIATION PHYSICS AND CHEMISTRY
出版日期2016-08-01
卷号125页码:122-126
关键词Near-infrared photoluminescence Point defects Neutron-irradiation MgO center dot nAl(2)O(3)
ISSN号0969-806X
DOI10.1016/j.radphyschem.2016.04.001
英文摘要New near-infrared photoluminescence bands were observed in neutron-irradiated spinel single crystal upon excitation by a 532 nm laser. The surface morphology of the unirradiated and fast neutron-irradiated samples was investigated using atomic force microscopy and scanning probe microscopy. Fast neutron-irradiated samples show a strong emission peak at 1685 nm along with weak bands at 1065 and 2365 nm. The temperature dependence of the photoluminescence intensity was also measured. At lower temperatures, the dominant peak at 1685 nm shifts toward lower energy whereas the other peaks remain fixed. Activation energies of luminescence quenching were estimated to be 5.7 and 54.6 meV for the lower and higher temperature regions respectively. (C) 2016 Elsevier Ltd. All rights reserved.
WOS关键词RADIATION-DAMAGE ; SINGLE-CRYSTALS ; SPINEL CRYSTALS ; TEMPERATURE-DEPENDENCE ; MGAL2O4 SPINELS ; LUMINESCENCE ; COLLOIDS ; DEFECTS ; ALPHA-AL2O3 ; CENTERS
资助项目Chinese Academy of Sciences[2012Y1JB0007] ; HIR grant ; Ministry of Higher Education, Malaysia[UM.C/625/1/HIR/ MOHE/ENG/26] ; National Science Foundation of China[11375201]
WOS研究方向Chemistry ; Nuclear Science & Technology ; Physics
语种英语
WOS记录号WOS:000377324200019
出版者PERGAMON-ELSEVIER SCIENCE LTD
资助机构Chinese Academy of Sciences ; HIR grant ; Ministry of Higher Education, Malaysia ; National Science Foundation of China
源URL[http://119.78.100.186/handle/113462/42831]  
专题中国科学院近代物理研究所
通讯作者Rahman, Abu Zayed Mohammad Saliqur
作者单位1.Chinese Acad Sci, Inst High Energy Phys, 19B Yuquanlu Shijingshan Dist, Beijing 100049, Peoples R China
2.Univ Malaya, Dept Mech Engn, Kuala Lumpur 50603, Malaysia
3.Kyoto Univ, Inst Res Reactor, 2 Asashiro Nishi, Kumatori, Osaka 5900494, Japan
4.Chinese Acad Sci, Inst Modern Phys, Nanchanglu 509, Lanzhou 730000, Peoples R China
5.Ist Nazl Fis Nucl, Lab Nazl Legnaro, Viale Univ 2, I-35020 Legnaro Padova, Italy
推荐引用方式
GB/T 7714		 Rahman, Abu Zayed Mohammad Saliqur,Haseeb, A. S. M. A.,Xu, Qiu,et al. Laser excited novel near-infrared photoluminescence bands in fast neutron-irradiated MgO center dot nAl(2)O(3)[J]. RADIATION PHYSICS AND CHEMISTRY,2016,125:122-126.
APA Rahman, Abu Zayed Mohammad Saliqur,Haseeb, A. S. M. A.,Xu, Qiu,Evslin, Jarah,&Cinausero, Marco.(2016).Laser excited novel near-infrared photoluminescence bands in fast neutron-irradiated MgO center dot nAl(2)O(3).RADIATION PHYSICS AND CHEMISTRY,125,122-126.
MLA Rahman, Abu Zayed Mohammad Saliqur,et al."Laser excited novel near-infrared photoluminescence bands in fast neutron-irradiated MgO center dot nAl(2)O(3)".RADIATION PHYSICS AND CHEMISTRY 125(2016):122-126.

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来源：近代物理研究所

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