From basic properties to the Mott design of correlated delafossites

From basic properties to the Mott design of correlated delafossites

Abstract The natural-heterostructure concept realized in delafossites highlights these layered oxides. While metallic, band- or Mott-insulating character may be associated with individual layers, inter-layer coupling still plays a decisive role. We review the correlated electronic structure of PdCoO...

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Autor principal: Frank Lechermann
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
Materias:
Materials of engineering and construction. Mechanics of materials
TA401-492
Computer software
QA76.75-76.765
Acceso en línea:https://doaj.org/article/362c37ca48d04c619afab9f5a911c456
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spelling oai:doaj.org-article:362c37ca48d04c619afab9f5a911c4562021-12-02T16:26:28ZFrom basic properties to the Mott design of correlated delafossites10.1038/s41524-021-00586-62057-3960https://doaj.org/article/362c37ca48d04c619afab9f5a911c4562021-07-01T00:00:00Zhttps://doi.org/10.1038/s41524-021-00586-6https://doaj.org/toc/2057-3960Abstract The natural-heterostructure concept realized in delafossites highlights these layered oxides. While metallic, band- or Mott-insulating character may be associated with individual layers, inter-layer coupling still plays a decisive role. We review the correlated electronic structure of PdCoO2, PdCrO2, and AgCrO2, showing that layer-entangled electronic states can deviate from standard classifications of interacting systems. This finding opens up possibilities for materials design in a subtle Mott-critical regime. Manipulated Hidden-Mott physics, correlation-induced semimetallicity, or Dirac/flat-band dispersions in a Mott background are emerging features. Together with achievements in the experimental preparation, this inaugurates an exciting research field in the arena of correlated materials.Frank LechermannNature PortfolioarticleMaterials of engineering and construction. Mechanics of materialsTA401-492Computer softwareQA76.75-76.765ENnpj Computational Materials, Vol 7, Iss 1, Pp 1-17 (2021)
institution DOAJ
collection DOAJ
language EN
topic Materials of engineering and construction. Mechanics of materials
TA401-492
Computer software
QA76.75-76.765
spellingShingle Materials of engineering and construction. Mechanics of materials
TA401-492
Computer software
QA76.75-76.765
Frank Lechermann
From basic properties to the Mott design of correlated delafossites
description Abstract The natural-heterostructure concept realized in delafossites highlights these layered oxides. While metallic, band- or Mott-insulating character may be associated with individual layers, inter-layer coupling still plays a decisive role. We review the correlated electronic structure of PdCoO2, PdCrO2, and AgCrO2, showing that layer-entangled electronic states can deviate from standard classifications of interacting systems. This finding opens up possibilities for materials design in a subtle Mott-critical regime. Manipulated Hidden-Mott physics, correlation-induced semimetallicity, or Dirac/flat-band dispersions in a Mott background are emerging features. Together with achievements in the experimental preparation, this inaugurates an exciting research field in the arena of correlated materials.
format article
author Frank Lechermann
author_facet Frank Lechermann
author_sort Frank Lechermann
title From basic properties to the Mott design of correlated delafossites
title_short From basic properties to the Mott design of correlated delafossites
title_full From basic properties to the Mott design of correlated delafossites
title_fullStr From basic properties to the Mott design of correlated delafossites
title_full_unstemmed From basic properties to the Mott design of correlated delafossites
title_sort from basic properties to the mott design of correlated delafossites
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/362c37ca48d04c619afab9f5a911c456
work_keys_str_mv AT franklechermann frombasicpropertiestothemottdesignofcorrelateddelafossites
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