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Improvement of field emission properties of alpha-Fe2O3 nanoflakes due to the lowered back contact barrier after high energy X-ray irradiation
Wu, JQ; Wang B(王波); 伊福廷;Wang, B; Yi, FT; Deng, SZ; Xu, NS; Chen, J
2013
发表期刊JOURNAL OF APPLIED PHYSICS
卷号114期号:18页码:184306
摘要Improvement in the field emission properties of alpha-Fe2O3 nanoflakes is observed after high energy X-ray irradiation from synchrotron radiation. Field emission threshold field of alpha-Fe2O3 nanoflakes is found to decrease from 10.1 to 7.8 MV/m after X-ray irradiation with the dose of 9.0 x 10(14) phs/cm(2). Electrical measurement reveals that the potential barrier at the back contact between the alpha-Fe2O3 layer and the iron substrate changes after X-ray irradiation. The observed threshold field decrease is well explained by the changes in potential barrier at the back contact of alpha-Fe2O3 nanoflakes, which indicates the back contact plays an important role in controlling the field emission properties of alpha-Fe2O3 nanoflakes. Our study shows that the alpha-Fe2O3 nanoflakes are a promising material for the application as field emitter under X-ray environment. (C) 2013 AIP Publishing LLC.
学科领域Physics
DOI10.1063/1.4831672
收录类别SCI
WOS记录号WOS:000327261800068
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224666
专题多学科研究中心
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GB/T 7714
Wu, JQ,Wang B,伊福廷;Wang, B,et al. Improvement of field emission properties of alpha-Fe2O3 nanoflakes due to the lowered back contact barrier after high energy X-ray irradiation[J]. JOURNAL OF APPLIED PHYSICS,2013,114(18):184306.
APA Wu, JQ.,王波.,伊福廷;Wang, B.,Yi, FT.,Deng, SZ.,...&Chen, J.(2013).Improvement of field emission properties of alpha-Fe2O3 nanoflakes due to the lowered back contact barrier after high energy X-ray irradiation.JOURNAL OF APPLIED PHYSICS,114(18),184306.
MLA Wu, JQ,et al."Improvement of field emission properties of alpha-Fe2O3 nanoflakes due to the lowered back contact barrier after high energy X-ray irradiation".JOURNAL OF APPLIED PHYSICS 114.18(2013):184306.
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