Performance of a Low Energy Ion Source with Carbon Nanotube Electron Emitters under the Influence of Various Operating Gases
Abstract
:1. Introduction
2. Layout of CNT-LEIS
3. Properties of Electron Emitters in CNT-LEIS
3.1. Emission Properties of CNTs in Base Pressure
3.2. Gas Adsorbates Influenced Field Emission
3.3. Reversibility of CNT Emissions in Different Gases
4. Intensity and Sensitivity of CNT-LEIS
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Gas | Sensitivity (Pa−1) | Relative Standard Deviation (RSD) |
---|---|---|
H2 | 0.221 | 5.1% |
He | 0.088 | 6.8% |
CO2 | 2.30 | 6.5% |
Ar | 1.93 | 11.7% |
O2 | 1.19 | 8.1% |
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Zhang, H.; Li, D.; Wurz, P.; Etter, A.; Cheng, Y.; Dong, C.; Huang, W. Performance of a Low Energy Ion Source with Carbon Nanotube Electron Emitters under the Influence of Various Operating Gases. Nanomaterials 2020, 10, 354. https://doi.org/10.3390/nano10020354
Zhang H, Li D, Wurz P, Etter A, Cheng Y, Dong C, Huang W. Performance of a Low Energy Ion Source with Carbon Nanotube Electron Emitters under the Influence of Various Operating Gases. Nanomaterials. 2020; 10(2):354. https://doi.org/10.3390/nano10020354
Chicago/Turabian StyleZhang, Huzhong, Detian Li, Peter Wurz, Adrian Etter, Yongjun Cheng, Changkun Dong, and Weijun Huang. 2020. "Performance of a Low Energy Ion Source with Carbon Nanotube Electron Emitters under the Influence of Various Operating Gases" Nanomaterials 10, no. 2: 354. https://doi.org/10.3390/nano10020354