Electron Field Emission of CN x Thin Films Prepared by Low Pressure Plasma Enhanced Chemical Vapour Deposition
Autor: | Ye Ming-sheng, Zhang Zhihong, Lu Xian-feng, Guo Huaixi, Li Jin-chai |
---|---|
Rok vydání: | 2002 |
Předmět: | |
Zdroj: | Chinese Physics Letters. 19:416-418 |
ISSN: | 1741-3540 0256-307X |
Popis: | CNx thin films were prepared using low pressure plasma enhanced chemical vapour deposition, and then bombarded by low-energy N2+. The compositions before and after N2+ bombardment were compared using x-ray photoelectron spectroscopy. The electron field emission characteristics of CNx thin films before and after N2+ bombardment were studied under the pressure of 10-6 Pa. For the samples, the turn-on emission field decreased from 2.5 V/µm to 1.2 V/µm while the stable current density increased from 0.5 mA/cm2 to a value larger than 1 mA/cm2 before and after the bombardment. Our results illustrate that the field emission characteristics were improved after the bombardment of N+2. |
Databáze: | OpenAIRE |
Externí odkaz: |