64 meV measured energy dispersion from cold field emission nanotips
- 17 July 1995
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 67 (3) , 436-438
- https://doi.org/10.1063/1.114624
Abstract
In this letter, we report on the extremely narrow energy distributions that can be obtained in field emission from W and Pt nanotips. For example, the measured full width at half-maximum for a Pt nanotip can be as low as 64 meV at 80 K and 100 meV at room temperature. Moreover, these emitted beams are autocollimated to a 4° opening and have hours of stability for a current of ∼1 nA due to the fact that the emission comes from one atom.Keywords
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