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  Anisotropic Nodal-Line-Derived Large Anomalous Hall Conductivity in ZrMnP and HfMnP

Singh, S., Noky, J., Bhattacharya, S., Vir, P., Sun, Y., Kumar, N., et al. (2021). Anisotropic Nodal-Line-Derived Large Anomalous Hall Conductivity in ZrMnP and HfMnP. Advanced Materials, 33(48): 2104126, pp. 1-6. doi:10.1002/adma.202104126.

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 Creators:
Singh, Sukriti1, Author           
Noky, Jonathan1, Author           
Bhattacharya, Shaileyee1, Author           
Vir, Praveen1, Author           
Sun, Yan1, Author           
Kumar, Nitesh1, Author           
Felser, Claudia2, Author           
Shekhar, Chandra3, Author           
Affiliations:
1Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
2Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              
3Chandra Shekhar, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863428              

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 Abstract: The nontrivial band structure of semimetals has attracted substantial research attention in condensed matter physics and materials science in recent years owing to its intriguing physical properties. Within this class, a group of nontrivial materials known as nodal-line semimetals is particularly important. Nodal-line semimetals exhibit the potential effects of electronic correlation in nonmagnetic materials, whereas they enhance the contribution of the Berry curvature in magnetic materials, resulting in high anomalous Hall conductivity (AHC). In this study, two ferromagnetic compounds, namely ZrMnP and HfMnP, are selected, wherein the abundance of mirror planes in the crystal structure ensures gapped nodal lines at the Fermi energy. These nodal lines result in one of the largest AHC values of 2840 omega(-1) cm(-1), with a high anomalous Hall angle of 13.6% in these compounds. First-principles calculations provide a clear and detailed understanding of nodal line-enhanced AHC. The finding suggests a guideline for searching large AHC compounds.

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Language(s): eng - English
 Dates: 2021-09-122021-09-12
 Publication Status: Published in print
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 Identifiers: ISI: 000695039300001
DOI: 10.1002/adma.202104126
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Title: Advanced Materials
  Other : Adv. Mater.
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 33 (48) Sequence Number: 2104126 Start / End Page: 1 - 6 Identifier: ISSN: 0935-9648
CoNE: https://pure.mpg.de/cone/journals/resource/954925570855