A new view on the origin of zero-bias anomalies of Co atoms atop noble metal surfaces

Transition-metal atoms deposited on metal surfaces exhibit zero bias anomalies, which have been detected by scanning tunnelling spectroscopy and are commonly attributed to Kondo resonances. Here the authors explain the zero-bias anomalies in terms of gapped spin-excitations in contrast to Kondo reso...

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Auteurs principaux: Juba Bouaziz, Filipe Souza Mendes Guimarães, Samir Lounis
Format: article
Langue:EN
Publié: Nature Portfolio 2020
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Accès en ligne:https://doaj.org/article/6f97f9d3a3f345838edf95a6c88f8db7
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Résumé:Transition-metal atoms deposited on metal surfaces exhibit zero bias anomalies, which have been detected by scanning tunnelling spectroscopy and are commonly attributed to Kondo resonances. Here the authors explain the zero-bias anomalies in terms of gapped spin-excitations in contrast to Kondo resonances, which reproduce well the experiments.