Zero-Field Nernst Effect in a Ferromagnetic Kagome-Lattice Weyl-Semimetal Co3Sn2
S2

Guin, Satya N.; Vir, Praveen; Zhang, Yang; Kumar, Nitesh; Watzman, S.J.; Fu, Chenguang; Liu, Enke; Manna, Kaustuv; Schnelle, Walter; Gooth, Johannes; Shekhar, Chandra; Sun, Yan; Felser, Claudia

doi:10.1002/adma.201806622

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Zero-Field Nernst Effect in a Ferromagnetic Kagome-Lattice Weyl-Semimetal Co₃Sn₂S₂

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Guin, Satya N.
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons231670

Vir, Praveen
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons203664

Zhang, Yang
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons195511

Kumar, Nitesh
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons209329

Fu, Chenguang
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons222409

Liu, Enke
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons201263

Manna, Kaustuv
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126838

Schnelle, Walter
Walter Schnelle, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons220347

Gooth, Johannes
Nanostructured Quantum Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126847

Shekhar, Chandra
Chandra Shekhar, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons179670

Sun, Yan
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126601

Felser, Claudia
Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Guin, S. N., Vir, P., Zhang, Y., Kumar, N., Watzman, S., Fu, C., et al. (2019). Zero-Field Nernst Effect in a Ferromagnetic Kagome-Lattice Weyl-Semimetal Co₃Sn₂S₂. Advanced Materials, 1806622, pp. 1-7. doi:10.1002/adma.201806622.

Cite as: https://hdl.handle.net/21.11116/0000-0003-BCF6-4

Abstract

The discovery of magnetic topological semimetals has recently attracted significant attention in the field of topology and thermoelectrics. In a thermoelectric device based on the Nernst geometry, an external magnet is required as an integral part. Reported is a zero-field Nernst effect in a newly discovered hard-ferromagnetic kagome-lattice Weyl-semimetal Co 3 Sn 2 S 2 . A maximum Nernst thermopower of ≈3 µV K −1 at 80 K in zero field is achieved in this magnetic Weyl-semimetal. The results demonstrate the possibility of application of topological hard magnetic semimetals for low-power thermoelectric devices based on the Nernst effect and are thus valuable for the comprehensive understanding of transport properties in this class of materials. © 2019 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim