Résumé
The ion-induced secondary electron emission coefficient γ from the a-Si:H film deposited from a SiH4 glow discharge is measured in situ using an electrostatic grid analyzer. At low SiH4 pressure and discharge power density, γ≊0.033±0.004 and the overall electrical power dissipation does not vary with the gas and wall temperature between 25 and 250°C, when the SiH4 molecular density is kept constant. However, the a-Si:H film deposition rate does depend on the temperature, which reveals the effects of thermally activated gas phase of H and SiH2 radicals arising from SiH4 dissociation.
| langue originale | Anglais |
|---|---|
| Pages (de - à) | 2578-2580 |
| Nombre de pages | 3 |
| journal | Journal of Applied Physics |
| Volume | 73 |
| Numéro de publication | 5 |
| Les DOIs | |
| état | Publié - 1 déc. 1993 |
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