Multicarrier electrical and thermal magnetotransport in altermagnetic CrSb
Chromium antimonide has emerged as a key material platform for studying altermagnetism because of its simple binary composition, high Néel temperature, and semimetallic electronic structure. Here, we investigate electrical and thermal magnetotransport in single-crystalline CrSb using steady- and pulsed-magnetic fields up to 65 T, and complement these measurements with neutron diffraction and magnetization data. We confirm the compensated magnetic structure and observe a large nonsaturating magnetoresistance together with a pronounced nonlinear Hall response at low temperatures. Multicarrier modeling, supported by mobility-spectrum analysis, reveals coexisting electron- and holelike charge carriers with mobilities up to ∼ 3000 cm 2 / Vs and shows that the number of transport channels that can be resolved strongly depends on the accessible magnetic-field range. Thermal-transport measurements further reveal a nonlinear thermal Hall response and a thermal conductivity substantially exceeding a simple Wiedemann-Franz law. The broadly similar field and temperature evolution of electrical and thermal transport point to a dominant electronic contribution, while the remaining deviations indicate additional heat-carrying channels.
Authors
- Markéta Žáčková (ORCID: https://orcid.org/0000-0002-5504-9851)
- Marein C. Rahn (ORCID: https://orcid.org/0000-0001-7403-8288)
- Helena Reichlová (ORCID: https://orcid.org/0000-0003-3784-7734)
- Srikanta Goswami (ORCID: https://orcid.org/0000-0003-4623-5887)
- Tommy Kotte (ORCID: https://orcid.org/0000-0003-3675-8887)
- Michał Baj (ORCID: https://orcid.org/0000-0002-3636-3925)
- Reza Firouzmandi (ORCID: https://orcid.org/0000-0002-8384-0122)
- M. Uhlarz (ORCID: https://orcid.org/0009-0008-8677-3296)
- Jiří Pospíšil (ORCID: https://orcid.org/0000-0001-6642-5317)
- Antonín Baďura (ORCID: https://orcid.org/0000-0003-4656-9529)
- Fabio Orlandi (ORCID: https://orcid.org/0000-0001-6333-521X)
- Philipp Ritzinger (ORCID: https://orcid.org/0000-0002-0519-1809)
- Th. Speliotis (ORCID: https://orcid.org/0000-0002-4912-4683)
- Dominik Kriegner (ORCID: https://orcid.org/0000-0001-6961-6581)
- Sven Luther
- Vilmos Kocsis (ORCID: https://orcid.org/0000-0003-3702-8034)
- Toni Helm (ORCID: https://orcid.org/0000-0002-0938-8537)
- Jochen Wosnitza
- Sajal Naduvile Thadathil (ORCID: https://orcid.org/0009-0007-8606-1160)
- Dr Pascal Manuel
- Václav Petříček
- Lorenz Farin
- Christoph Müller
- Bernd Büchner
Institutions
- Czech Academy of Sciences (CZ)
- Charles University (CZ)
- Helmholtz-Zentrum Dresden-Rossendorf (DE)
- Leibniz Institute for Solid State and Materials Research (DE)
- FZU ‒ Institute of Physics of the Academy of Sciences of the Czech Republic (CZ)
- ISIS Neutron and Muon Source
- University of Warsaw (PL)
- Technische Universität Dresden (DE)
Publication Details
- Journal
- Physical Review Materials
- Published
- 2026-10-13
- DOI
- https://doi.org/10.1103/xn7y-df6x
- Citations
- 1
- Primary Topic
- Magnetic properties of thin films
- Type
- article
- Field-Weighted Citation Impact
- 2.76
Funders
- UK Research and Innovation
- European Commission
- Deutsche Forschungsgemeinschaft
- Ministerstvo Školství, Mládeže a Tělovýchovy
- Grantová Agentura České Republiky
- Max-Planck-Gesellschaft
- Akademie Věd České Republiky
- Science and Technology Facilities Council
- Staatssekretariat für Bildung, Forschung und Innovation