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Copper ion beam emission in solid electrolyte Rb4Cu16I6.5Cl13.5 |
| Tushagu Abudouwufu(吐沙姑·阿不都吾甫)1,2,3, Xiangyu Zhang (张翔宇)1,2, Wenbin Zuo (左文彬)1,2, Jinbao Luo(罗进宝)1,2, Yueqiang Lan(兰越强)1,2, Canxin Tian (田灿鑫)4, Changwei Zou(邹长伟)4, Alexander Tolstoguzov1,5, and Dejun Fu(付德君)1,2,† |
1 Key Laboratory of Artificial Micro and Nanostructures of Ministry of Education and Hubei Key Laboratory of Nuclear Solid Physics, School of Physics and Technology, Wuhan University, Wuhan 430072, China;
2 Shenzhen Institute of Wuhan University, Shenzhen 518057, China;
3 Zhuhai Tsinghua University Research Institute Innovation Center, Zhuhai 519000, China;
4 School of Physics and Technology, Lingnan Normal University, Zhanjiang 524048, China;
5 Utkin Ryazan State Radio Engineering University, Ryazan 390005, Russian Federation |
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Abstract Copper ion conducting solid electrolyte Rb$_{4}$Cu$_{16}$I$_{6.5}$Cl$_{13.5 }$ was prepared by means of mechano-chemical method. The structure and morphology of the powder was investigated by x-ray diffraction and scanning electron microscopy. The grain size was estimated to be 0.2-0.9 μm and the ionic conductivity at room temperature was approximately 0.206 S/cm. The solid electrolyte Rb$_{4}$Cu$_{16}$I$_{6.5}$Cl$_{13.5 }$ was exploited for copper ion beam generation. The copper ion emission current of several nA was successfully obtained at acceleration voltages of 15 kV and temperature of 197 $^\circ$C in vacuum of 2.1$\times10^{-4}$ Pa. A good linear correlation between the logarithmic ion current $(\log I)$ and the square root of the acceleration voltage ($U_{\rm acc}$) at high voltage range was obtained, suggesting the Schottky emission mechanism in the process of copper ion beam generation.
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Received: 02 July 2021
Revised: 09 October 2021
Accepted manuscript online: 13 October 2021
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PACS:
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07.77.Ka
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(Charged-particle beam sources and detectors)
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79.70.+q
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(Field emission, ionization, evaporation, and desorption)
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82.45.Gj
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(Electrolytes)
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| Fund: This work was supported by Shenzhen Municipal Science and Technology Innovation Commission (Grant Nos. JCYJ20170818112901473 and GJHZ20200731095604015) and the Department of Science and Technology of Guangdong Province, China (Grant Nos. 2020A0505100059, 2020A1515011531, and 2020A1515011451). One of the authors (Alexander Tolstoguzov) is grateful to the support of this research by the Ministry of Education and Science of the Russian Federation in the frame of the state assignment (Grant No. FSSN-2020-0003). |
Corresponding Authors:
Dejun Fu
E-mail: djfu@whu.edu.cn
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Cite this article:
Tushagu Abudouwufu(吐沙姑·阿不都吾甫), Xiangyu Zhang (张翔宇), Wenbin Zuo (左文彬), Jinbao Luo(罗进宝), Yueqiang Lan(兰越强), Canxin Tian (田灿鑫), Changwei Zou(邹长伟), Alexander Tolstoguzov, and Dejun Fu(付德君) Copper ion beam emission in solid electrolyte Rb4Cu16I6.5Cl13.5 2022 Chin. Phys. B 31 040704
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