| Autor: |
Toledo, J., Plaza, J F, Post, A, Zschätzsch, D, Reitemeyer, M, Chen, L, Gurciullo, A, Siegl, A, Klar, P J, Lascombes, P., Seifert, B. |
| Zdroj: |
IOP Conference Series: Materials Science and Engineering; February 2022, Vol. 1226 Issue: 1 p012093-012093, 1p |
| Abstrakt: |
This work, based on an EU-funded project, NEMESIS, is aiming at developing electride-based cathode technology which is compatible with all kinds of electric propulsion systems requiring neutralization. Its target is to demonstrate and validate the performance of a novel C12A7:e-electride material as electron emitter instead of traditional thermionic emitters such as lanthanum hexaboride, LaBe, or barium oxide, BaO. In this study, a fair comparison between LaBe and C12A7:e-samples was performed both addressing pure material characterization parameters as well as comparing performance as cathodes under different architectures and operational conditions. In this case, a current/cathode power ratio around 3 mA/W was obtained when using the C12A7:e-sample in a plasma environment with Ar, which is approximately one order of magnitude higher compared to the LaB6sample. |
| Databáze: |
Supplemental Index |
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