Ultrafast coupled charge and spin dynamics in strongly correlated NiO

Ultrafast coupled charge and spin dynamics in strongly correlated NiO

Nickel Oxide (NiO) is a strongly correlated insulator with antiferromagnetic (AFM) ordering. Here, using pump-probe photoemission on NiO, the authors observe coherent terahertz oscillations in the photoemission signal, a signature of an in-gap state coupled to the AFM background.

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Autores principales: Konrad Gillmeister, Denis Golež, Cheng-Tien Chiang, Nikolaj Bittner, Yaroslav Pavlyukh, Jamal Berakdar, Philipp Werner, Wolf Widdra
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2020
Materias:
Science
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Acceso en línea:https://doaj.org/article/a52bdd48b2014fc7a8a5da39004ed897
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