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| Hauptseite > Publikationsdatenbank > A novel high-current, high-resolution, low-kinetic-energy electron source for inverse photoemission spectroscopy > print |
| Hauptseite > Publikationsdatenbank > A novel high-current, high-resolution, low-kinetic-energy electron source for inverse photoemission spectroscopy > print |
| 001 | 1008197 | ||
| 005 | 20231027114406.0 | ||
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| 100 | 1 | _ | |a Ibach, Harald |0 P:(DE-Juel1)128768 |b 0 |
| 245 | _ | _ | |a A novel high-current, high-resolution, low-kinetic-energy electron source for inverse photoemission spectroscopy |
| 260 | _ | _ | |a [Erscheinungsort nicht ermittelbar] |c 2023 |b American Institute of Physics |
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| 520 | _ | _ | |a A high-current electron source for inverse photoemission spectroscopy is described. The source comprises a thermal cathode electron emission system, an electrostatic deflector-monochromator, and a lens system for variable kinetic energy (1.6–20 eV) at the target. When scaled to the energy resolution, the electron current is an order of magnitude higher than that of previously described electron sources developed in the context of electron energy loss spectroscopy. Surprisingly, the experimentally measured energy resolution turned out to be significantly better than calculated by standard programs, which include the electron–electron repulsion in the continuum approximation. The achieved currents are also significantly higher than predicted. We attribute this “inverse Boersch-effect” to a mechanism of velocity selection in the forward direction by binary electron–electron collisions. |
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| 700 | 1 | _ | |a Bocquet, François C. |0 P:(DE-Juel1)167128 |b 2 |
| 773 | _ | _ | |a 10.1063/5.0138512 |g Vol. 94, no. 4, p. 043908 |0 PERI:(DE-600)1472905-2 |n 4 |p 043908 |t Review of scientific instruments |v 94 |y 2023 |x 0034-6748 |
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