Daniel J. Coady, Amanda C. Engler, et al.
ACS Macro Letters
Paper
Photon emission with the scanning tunneling microscope
Abstract
By placing a photon detector near the tip-sample region of a scanning tunneling microscope, we have measured isochromat photon-emission spectra of polycrystalline tantalum and Si(111)7×7 at photon energies of 9.5 eV. Such spectra contain electronic-structure information comparable to inverse photoemission spectroscopy, but with high lateral/spatial resolution. The implications of this new observation are discussed. © 1988 Springer-Verlag.
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