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  Terahertz Anomalous Hall Effect in Mn2-xPtSn

Liu, D., Pronin, A. V., Markou, A., Felser, C., & Dressel, M. (2019). Terahertz Anomalous Hall Effect in Mn2-xPtSn. In 44th International Conference on Infrared, Millimeter, and Terahertz Waves (pp. 1-1). Paris. doi:10.1109/IRMMW-THz.2019.8873730.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0005-4E5A-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0005-4ECD-E
Genre: Conference Paper

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 Creators:
Liu, Di1, Author
Pronin, Artem V.1, Author
Markou, Anastasios2, Author              
Felser, Claudia3, Author              
Dressel, Martin1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
3Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              

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Free keywords: Hall effect, Terahertz spectroscopy, Topology, Anomalous hall effects, Characteristic time, Different time scale, Disordered system, Electron interaction, Faraday rotation angle, Scattering mechanisms, Scattering process, Terahertz waves
 Abstract: Coherent-source THz spectroscopy was employed for measuring the Faraday rotation angle of Mn { mathbf {2-x}}PtSn films (x = 0; 0.2). In the THz experiments, we observe clear signatures of an anomalous Hall state, while any indications of the so-called topological Hall effect recently observed in these magnetically disordered systems in dc measurements-are absent. This demonstrates that the charge scattering mechanisms, responsible for the two phenomena, possess very different time scales: the anomalous Hall state is governed by the scattering process with the rates above THz frequencies, while the electron interaction, providing the topological Hall, possesses very low characteristic time scales. © 2019 IEEE.

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Language(s): eng - English
 Dates: 2019-11-012019-11-01
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1109/IRMMW-THz.2019.8873730
 Degree: -

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Title: 44th International Conference on Infrared, Millimeter, and Terahertz Waves
Source Genre: Proceedings
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Publ. Info: Paris
Pages: - Volume / Issue: - Sequence Number: 8873730 Start / End Page: 1 - 1 Identifier: ISBN: 978-153868285-2