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Article dans une revue
Cascade of Magnetic-Field-Induced Lifshitz Transitions in the Ferromagnetic Kondo Lattice Material YbNi4P2
H. Pfau
1, 2
R. Daou
3
S. Friedemann
4
S. Karbassi
4
S. Ghannadzadeh
R. Kuechler
1
S. Hamann
1
A. Steppke
1
D. Sun
1
M. Koenig
1
A. P. Mackenzie
5, 1
K. Kliemt
6
C. Krellner
6
M. Brando
1
C. Krellner 6
Auteur
M. Brando 1
Auteur
1
CPfS - Max Planck Institute for Chemical Physics of Solids (Nöthnitzerstr. 40, D-01187 Dresden - Allemagne)
- Max-Planck-Gesellschaft (Jägerstrasse, 10-11, D-10117 Berlin - Allemagne)
2
SLAC - Stanford Linear Accelerator Center (SLAC Stanford University 2575 Sand Hill Rd Menlo Park, CA 94039 - États-Unis)
- Stanford University [Stanford] (450 Serra Mall, Stanford, CA 94305-2004 - États-Unis)
3
ENSICAEN - École Nationale Supérieure d'Ingénieurs de Caen (6, Boulevard du Maréchal Juin CS 45053 14050 CAEN cedex 04 - France)
- NU - Normandie Université (Esplanade de la Paix - CS 14032 - 14032 Caen Cedex 5 - France)
4
University of Bristol [Bristol] (Senate House, Tyndall Avenue, Bristol BS8 1TH - Royaume-Uni)
5
University of St Andrews [Scotland] (St Andrews KY16 9AJ, Fife, Scotland, UK - Royaume-Uni)
6
Goethe-Universität Frankfurt am Main (Theodor-W.-Adorno-Platz 1 , 60323 Frankfurt am Main - Allemagne)
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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https://hal-normandie-univ.archives-ouvertes.fr/hal-02175375
Contributeur : Elisabeth van T Hof <>
Soumis le : vendredi 5 juillet 2019 - 16:59:16
Dernière modification le : lundi 30 septembre 2019 - 10:10:42
Contributeur : Elisabeth van T Hof <>
Soumis le : vendredi 5 juillet 2019 - 16:59:16
Dernière modification le : lundi 30 septembre 2019 - 10:10:42
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- HAL Id : hal-02175375, version 1
- DOI : 10.1103/PhysRevLett.119.126402
- PUBMED : 29341652
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H. Pfau, R. Daou, S. Friedemann, S. Karbassi, S. Ghannadzadeh, et al.. Cascade of Magnetic-Field-Induced Lifshitz Transitions in the Ferromagnetic Kondo Lattice Material YbNi4P2. Physical Review Letters, American Physical Society, 2017, 119 (12), ⟨10.1103/PhysRevLett.119.126402⟩. ⟨hal-02175375⟩
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