Strong phonon replicas in Be 1s photoemission spectra
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Strong phonon replicas in Be 1s photoemission spectra were investigated. The fine structure caused by intrinsic excitation of a narrow band of optical phonons was discussed in the 1s photoemission proces. The excitations of the optical Be phonons in the photoemission process caused fine structures. It was found that the phonon replicas in Be metal were strong due to large size misfit between neutral and core-ionized Be.
|Research areas and keywords||
Subject classification (UKÄ) – MANDATORY
|Number of pages||4|
|Journal||Physical Review Letters|
|Publication status||Published - 2001 May 7|