Abstract
The temperature dependence of field-stimulated exoelectron emission (FSEE) on a clean W tip was investigated. The increase of the electron emission at the moment of reapplication of the tip voltage was observed at the temperatures 200-450 K. This emission property was similar to the storage effect of exoelectron emission from Al tips reported previously. [Appl. Phys. Lett. 53, 626 (1988).] However, the emission intensity was independent of the voltage interruption period. The change in work function was also indicated at the temperature where FSEE was observed. The FSEE on W tips observed in this study was explained by the exoelectron emission during the surface reconstruction of W{001} and/or W{031} triggered by the high electric field.
Original language | English |
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Pages (from-to) | 6811-6815 |
Number of pages | 5 |
Journal | Journal of Applied Physics |
Volume | 85 |
Issue number | 9 |
DOIs | |
Publication status | Published - May 1 1999 |
Externally published | Yes |
ASJC Scopus subject areas
- Physics and Astronomy(all)