Penn, D.
(1976),
Comment on Field emission as a probe of the surface density of states, Physical Review B (Condensed Matter and Materials Physics), [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=620121 (Accessed May 28, 2026)
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Comment on Field emission as a probe of the surface density of states
Published
Author(s)
Abstract
It is shown that the primary contribution to the field-emission current comes from electrons with total momentum equal to zero in a direction parallel to the metal surface and that the field-emission current measures the density of states at a point several angstroms from the metal surface. An explicit expression is derived for the error made in using the transfer-Hamiltonian technique to calculate the tunneling probability of an electron through a one-dimensional barrier, and it is pointed out that the error is small in the case of field emission.Citation
Physical Review B (Condensed Matter and Materials Physics)
Volume
14
Issue
2
Pub Type
Journals
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Created July 15, 1976, Updated May 7, 2026