Anderson transition in stoichiometric Fe2VAl: high thermoelectric performance from impurity bands

Fabian Garmroudi; Michael Parzer; Alexander Riss; Andrei V. Ruban; Sergii Khmelevskyi; Michele Reticcioli; Matthias Knopf; Herwig Michor; Andrej Pustogow; Takao Mori; Ernst Bauer

doi:10.1038/s41467-022-31159-w

Nature Communications (Jun 2022)

Anderson transition in stoichiometric Fe2VAl: high thermoelectric performance from impurity bands

Fabian Garmroudi,
Michael Parzer,
Alexander Riss,
Andrei V. Ruban,
Sergii Khmelevskyi,
Michele Reticcioli,
Matthias Knopf,
Herwig Michor,
Andrej Pustogow,
Takao Mori,
Ernst Bauer

Affiliations

Fabian Garmroudi: Institute of Solid State Physics, TU Wien
Michael Parzer: Institute of Solid State Physics, TU Wien
Alexander Riss: Institute of Solid State Physics, TU Wien
Andrei V. Ruban: Department of Materials Science and Engineering, KTH Royal Institute of Technology
Sergii Khmelevskyi: Center for Computational Materials Science and Engineering, TU Wien
Michele Reticcioli: Faculty of Physics, Center for Computational Materials Science, Universität Wien
Matthias Knopf: Institute of Solid State Physics, TU Wien
Herwig Michor: Institute of Solid State Physics, TU Wien
Andrej Pustogow: Institute of Solid State Physics, TU Wien
Takao Mori: International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science
Ernst Bauer: Institute of Solid State Physics, TU Wien

DOI: https://doi.org/10.1038/s41467-022-31159-w
Journal volume & issue: Vol. 13, no. 1
pp. 1 – 10

Abstract

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The mathematical conditions for the best thermoelectric is well known but never realised in real materials. Here, the authors propose the Anderson transition in a narrow impurity band as a physical realisation of this seemingly unrealisable scenario.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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