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  Cascade of Magnetic-Field-Induced Lifshitz Transitions in the Ferromagnetic Kondo Lattice Material YbNi4P2

Pfau, H., Daou, R., Friedemann, S., Karbassi, S., Ghannadzadeh, S., Küchler, R., et al. (2017). Cascade of Magnetic-Field-Induced Lifshitz Transitions in the Ferromagnetic Kondo Lattice Material YbNi4P2. Physical Review Letters, 119(12): 126402, pp. 1-6. doi:10.1103/PhysRevLett.119.126402.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-05D7-C Version Permalink: http://hdl.handle.net/21.11116/0000-0000-F965-6
Genre: Journal Article

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 Creators:
Pfau, H.1, Author              
Daou, R.2, Author
Friedemann, S.2, Author
Karbassi, S.2, Author
Ghannadzadeh, S.2, Author
Küchler, R.1, Author              
Hamann, S.1, Author              
Steppke, A.1, Author              
Sun, D.1, Author              
König, M.3, Author              
Mackenzie, A. P.4, Author              
Kliemt, K.2, Author
Krellner, C.2, Author
Brando, M.5, Author              
Affiliations:
1Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863462              
2External Organizations, ou_persistent22              
3Markus König, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863470              
4Andrew Mackenzie, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863463              
5Manuel Brando, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863469              

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 Abstract: A ferromagnetic quantum critical point is thought not to exist in two-and three-dimensional metallic systems yet is realized in the Kondo lattice compound YbNi4(P, As)(2), possibly due to its onedimensionality. It is crucial to investigate the dimensionality of the Fermi surface of YbNi4 P-2 experimentally, but common probes such as angle-resolved photoemission spectroscopy and quantum oscillation measurements are lacking. Here, we study the magnetic-field dependence of transport and thermodynamic properties of YbNi4 P-2. The Kondo effect is continuously suppressed, and additionally we identify nine Lifshitz transitions between 0.4 and 18 T. We analyze the transport coefficients in detail and identify the type of Lifshitz transitions as neck or void type to gain information on the Fermi surface of YbNi4P2. The large number of Lifshitz transitions observed within this small energy window is unprecedented and results from the particular flat renormalized band structure with strong 4f-electron character shaped by the Kondo lattice effect.

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Language(s): eng - English
 Dates: 2017-09-222017-09-22
 Publication Status: Published in print
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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 119 (12) Sequence Number: 126402 Start / End Page: 1 - 6 Identifier: ISSN: 0031-9007
CoNE: /journals/resource/954925433406_1