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Defect evolution in ZnO and its effect on radiation tolerance

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Abstract

The origin of ZnO radiation resistance is fascinating but still unclear. Herein, we found that radiation tolerance of ZnO can be tuned by engineering intrinsic defects into the ZnO. The role played by native defects in the radiation tolerance of ZnO was systematically explored by carrying out N+ implantation on a set of home-grown ZnO nanocrystals with various lattice defect types and concentrations. Interestingly, decreasing the VO and Zni concentration significantly aggravated N+ radiation damage, indicating the presence of O-deficient defects to be the potential cause of the radiation hardness of ZnO. A similar phenomenon was also observed for H+-implanted ZnO. This work offers a new way to manipulate ZnO and endow it with desired physicochemical properties, and is expected to pave the way for its application in radiative environments.

Graphical abstract: Defect evolution in ZnO and its effect on radiation tolerance

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Publication details

The article was received on 22 Mar 2018, accepted on 03 Apr 2018 and first published on 03 Apr 2018


Article type: Paper
DOI: 10.1039/C8CP01855C
Citation: Phys. Chem. Chem. Phys., 2018, Advance Article
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    Defect evolution in ZnO and its effect on radiation tolerance

    J. Lv and X. Li, Phys. Chem. Chem. Phys., 2018, Advance Article , DOI: 10.1039/C8CP01855C

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