Oxygen vacancy-driven orbital multichannel Kondo effect in Dirac nodal line metals IrO2 and RuO2

Strong electron correlations may give rise to an unconventional metallic state accompanying non-magnetic Kondo scattering. Here, the authors report signatures of orbital one- and two-channel Kondo physics in Dirac nodal line metals RuO2 and IrO2 nanowires.

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Autores principales: Sheng-Shiuan Yeh, Ta-Kang Su, An-Shao Lien, Farzaneh Zamani, Johann Kroha, Chao-Ching Liao, Stefan Kirchner, Juhn-Jong Lin
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2020
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Acceso en línea:https://doaj.org/article/ecf3d98c1b4c4fa2b39ac2bea9c51f2d
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Sumario:Strong electron correlations may give rise to an unconventional metallic state accompanying non-magnetic Kondo scattering. Here, the authors report signatures of orbital one- and two-channel Kondo physics in Dirac nodal line metals RuO2 and IrO2 nanowires.