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Extended damage range of (Al0.3Cr0.2Fe0.2Ni0.3)3O4 high entropy oxide films induced by surface irradiation |
Jian-Cong Zhang(张健聪), Sen Sun(孙森), Zhao-Ming Yang(杨朝明), Nan Qiu(裘南), Yuan Wang(汪渊) |
Key Laboratory of Radiation Physics and Technology, Ministry of Education, Institute of Nuclear Science and Technology, College of Physics, Sichuan University, Chengdu 610064, China |
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Abstract Irradiation makes structural materials of nuclear reactors degraded and failed. However, the damage process of materials induced by irradiation is not fully elucidated, mostly because the charged particles only bombarded the surface of the materials (within a few microns). In this work, we investigated the effects of surface irradiation on the indirect irradiation region of the (Al0.3Cr0.2Fe0.2Ni0.3)3O4 high entropy oxide (HEO) films in detail by plasma surface interaction. The results show that the damage induced by surface irradiation significantly extends to the indirect irradiation region of HEO film where the helium bubbles, dislocations, phase transformation, and the nickel oxide segregation were observed.
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Received: 31 January 2020
Revised: 09 March 2020
Accepted manuscript online:
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PACS:
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61.72.jd
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(Vacancies)
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68.35.Dv
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(Composition, segregation; defects and impurities)
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68.37.-d
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(Microscopy of surfaces, interfaces, and thin films)
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81.07.-b
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(Nanoscale materials and structures: fabrication and characterization)
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Fund: Project supported by the National Key Research and Development Program of China (Grant No. 2017YFB0405702) and the National Natural Science Foundation of China (Grant No. 11775150). |
Corresponding Authors:
Yuan Wang
E-mail: wyuan@scu.edu.cn
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Cite this article:
Jian-Cong Zhang(张健聪), Sen Sun(孙森), Zhao-Ming Yang(杨朝明), Nan Qiu(裘南), Yuan Wang(汪渊) Extended damage range of (Al0.3Cr0.2Fe0.2Ni0.3)3O4 high entropy oxide films induced by surface irradiation 2020 Chin. Phys. B 29 066104
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