Electron energy loss spectroscopy with parallel readout of energy and momentum
arXiv:1611.09709 · doi:10.1063/1.4977529
Abstract
We introduce a high energy resolution electron source that matches the requirements for parallel readout of energy and momentum of modern hemispherical electron energy analyzers. The system is designed as an add-on device to typical photoemission chambers. Due to the multiplex gain, a complete phonon dispersion of a Cu(111) surface was measured in seven minutes with 4 meV energy resolution.
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