Effect of electrical conduction on the saturation of electron emission from diamond needles

被引:0
作者
Blum, Ivan [1 ]
Borz, Mario [1 ]
Vella, Angela [1 ]
Torresin, Olivier [2 ]
Mauchain, Julien [2 ]
Chalopin, Benoit [2 ]
机构
[1] Univ Rouen, Grp Phys Mat, UMR 6634, INSA Rouen,CNRS, Rouen, France
[2] Univ Toulouse, UPS, Lab Collis Agregats Reactivite, UMR 5589,CNRS, Toulouse, France
来源
2020 33RD INTERNATIONAL VACUUM NANOELECTRONICS CONFERENCE (IVNC) | 2018年
关键词
diamond; electron emission; Fowler-Nordheim; saturation; Poole Frenkel;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Single crystal diamond needles are promising structures as point electron sources. However, the low electrical conductivity of diamond limits their application as high brightness electron sources. Here we study numerically the field emission behavior of single crystal diamond needles in order to better explain the link between their low electrical conduction, and phenomena related to the saturation of the Fowler-Nordheim plot such as the non-homogeneous field distribution in the needle. Comparison with experimental results shows that the conduction behavior depends on the diamond geometry. Moreover, the Fowler-Nordheim plot saturation is shown to be affected by the electrostatic environment.
引用
收藏
页码:33 / 34
页数:2
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