skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Hall Anomaly, Quantum Oscillations and Possible Lifshitz Transitions in Kondo Insulator YbB 12 : Evidence for Unconventional Charge Transport

Journal Article · · Physical Review. X

In correlated electronic systems, strong interactions and the interplay between different degrees of freedom may give rise to anomalous charge-transport properties, which can be tuned by external parameters like temperature and magnetic field. Recently, magnetic quantum oscillations and metallic low- temperature thermal conductivity have been observed in the Kondo insulator YbB12, whose resistivity is a few orders of magnitude higher than those of conventional metals. As yet, these unusual observations are not fully understood. Here we present a detailed investigation of the behavior of YbB12 under intense magnetic fields using both transport and torque magnetometry measurements. The Hall resistivity displays a strongly nonlinear field dependence which cannot be described using a standard two-band Drude model. A low-field Hall anomaly, reminiscent of the Hall response associated with “strange-metal” physics, develops at T < 1.5 K. At two characteristic magnetic fields (μ0H1 1/4 19.6 T and μ0H2 ~ 31 T), signatures appear in the Hall coefficient, magnetic torque, and magnetoresistance; the latter characteristic field coincides with the occurrence of a change in quantum-oscillation frequency. We suggest that they are likely to be field-induced Lifshitz transitions. Moreover, above 35 T, where the most pronounced quantum oscillations are detected, the background resistivity displays an unusual, nonmetallic Tα behavior, with α being field dependent and varying between -1.5 and -2 By normalizing the Shubnikov–de Haas oscillation amplitude to this Tα dependence, the calculated cyclotron mass becomes more consistent with that deduced from de Haas–van Alphen oscillations. Our results support a novel two-fluid scenario in YbB12: A Fermi-liquid-like fluid of charge-neutral quasiparticles coexists with charge carriers that remain in a nonmetallic state. The former experience successive Lifshitz transitions and develop Landau quantization in applied magnetic fields, while scattering between both fluids allows the Shubnikov–de Haas effect to be observed in the electrical transport. The verification of this two-fluid scenario by the data in the current work strongly suggests that YbB12 represents a new phase of matter.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Univ. of Michigan, Ann Arbor, MI (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division; National Science Foundation (NSF); US Department of the Navy, Office of Naval Research (ONR); JST CREST
Grant/Contract Number:
SC0020184; 89233218CNA000001; DMR-1707620; DMR-2004288; DMR-1644779; N00014-17-1-2357; JP18H05227; JPMJCR19T5; GBMF5305
OSTI ID:
1870932
Alternate ID(s):
OSTI ID: 1870828; OSTI ID: 1870833; OSTI ID: 1974930
Report Number(s):
LA-UR-22-20370; PRXHAE; 021050
Journal Information:
Physical Review. X, Journal Name: Physical Review. X Vol. 12 Journal Issue: 2; ISSN 2160-3308
Publisher:
American Physical SocietyCopyright Statement
Country of Publication:
United States
Language:
English

References (127)

A matrix formalism for the Hall effect in multicarrier semiconductor systems journal September 1999
Quantum Oscillations without a Fermi Surface and the Anomalous de Haas–van Alphen Effect journal September 2015
Mean-field study of the heavy-fermion metamagnetic transition journal March 2008
Fermi Surface Properties, Metamagnetic Transition and Quantum Phase Transition of CeRu 2 Si 2 and Its Alloys Probed by the dHvA Effect journal July 2014
Magnetic-Field-Induced Kondo Metal Realized in YbB 12 journal June 2018
Evidence for Short-Range Antiferromagnetic Fluctuations in Kondo-Insulating YbB 12 journal June 2005
Quantum Oscillation from In-Gap States and a Non-Hermitian Landau Level Problem journal July 2018
Evolution from non-Fermi- to Fermi-liquid transport via isovalent doping in BaFe 2 ( As 1 x P x ) 2 superconductors journal May 2010
Evidence for undoped Weyl semimetal charge transport in Y 2 Ir 2 O 7 journal October 2019
Cubic Topological Kondo Insulators journal November 2013
Unconventional chiral charge order in kagome superconductor KV3Sb5 journal June 2021
A Quantum Critical Point Lying Beneath the Superconducting Dome in Iron Pnictides journal March 2014
Properties of the donor impurity band in mixed valence insulators journal October 2019
Quantum oscillations in interaction-driven insulators journal January 2022
Surface electronic structure of the topological Kondo-insulator candidate correlated electron system SmB6 journal December 2013
Heavy surface state in a possible topological Kondo insulator: Magnetothermoelectric transport on the (011) plane of SmB 6 journal February 2015
Quantum oscillations from inside the Fermi sea journal February 2017
Fermi surfaces in Kondo insulators journal March 2018
Quantum theory of transverse galvano-magnetic phenomena journal August 1959
Disordered electronic systems journal April 1985
SmB 6 : A Promising Candidate for a Topological Insulator journal December 2011
Simple formulation of the two-channel Kondo model journal September 1995
Bulk Fermi Surface of Charge-Neutral Excitations in SmB 6 or Not: A Heat-Transport Study journal June 2016
Quantum oscillations of electrical resistivity in an insulator journal August 2018
Magnetic phase diagram and electronic structure of UPt 2 Si 2 at high magnetic fields: A possible field-induced Lifshitz transition journal April 2017
Non-trivial surface states of samarium hexaboride at the (111) surface journal May 2019
Resistivity saturation in Kondo insulators journal October 2021
Are Kondo insulators gapless? journal May 1993
Non-Fermi liquid transport in the vicinity of the nematic quantum critical point of superconducting Fe Se 1 x S x journal September 2020
Anomalous Hall effect journal May 2010
Effect of disorder on the transverse magnetoresistance of Weyl semimetals journal November 2020
Field-induced valence fluctuations in YbB 12 journal March 2021
Fragility of the Kondo insulating gap against disorder: Relevance to recent puzzles in topological Kondo insulators journal September 2020
Robust Surface States and Coherence Phenomena in Magnetically Alloyed SmB 6 journal March 2021
Surface Kondo effect and non-trivial metallic state of the Kondo insulator YbB12 journal August 2016
Topological surface state in the Kondo insulator samarium hexaboride journal March 2014
Quasiparticle scattering and the protected nature of the topological states in a parent topological insulator Bi 2 Se 3 journal January 2010
Emergent mystery in the Kondo insulator samarium hexaboride journal August 2020
Excitons in topological Kondo insulators: Theory of thermodynamic and transport anomalies in SmB 6 journal March 2017
The contribution to the electrical resistance of metals from collisions between electrons journal January 1937
Transport gap in SmB 6 protected against disorder journal June 2019
Electron scattering by ionized impurities in semiconductors journal October 1981
Mixed-valence insulators with neutral Fermi surfaces journal May 2018
Hybridization gap formation in the Kondo insulator YbB 12 observed using time-resolved photoemission spectroscopy journal October 2015
Quantum Oscillation in Narrow-Gap Topological Insulators journal January 2016
Hybridization gap in Ce 3 Bi 4 Pt 3 journal October 1990
Quasiparticle interference of Fermi arc states in the type-II Weyl semimetal candidate WT e 2 journal April 2018
Superconductivity and quantum criticality linked by the Hall effect in a strange metal journal August 2020
Fermi-surface reconstruction and two-carrier model for the Hall effect in YBa 2 Cu 4 O 8 journal July 2010
Topological surface states interacting with bulk excitations in the Kondo insulator SmB 6 revealed via planar tunneling spectroscopy journal May 2016
Magnetic-Field Dependence of the YbRh 2 Si 2 Fermi Surface journal December 2008
Theory of Spin Exciton in the Kondo Semiconductor YbB 12 journal March 2009
Parallel field magnetoresistance in topological insulator thin films journal July 2013
Field-Induced Lifshitz Transition without Metamagnetism in CeIrIn 5 journal January 2016
Topological Kondo Insulators journal March 2010
Mixed valence properties of YbB12 journal February 1985
Field-dependent heat transport in the Kondo insulator SmB 6 : Phonons scattered by magnetic impurities journal June 2018
Bulk and in-gap states in SmB 6 revealed by high-field magnetotransport journal November 2017
Lifshitz transitions and quasiparticle de-renormalization in YbRh 2 Si 2 journal September 2013
Two-dimensional Fermi surfaces in Kondo insulator SmB 6 journal December 2014
Cyclotron resonance in Kondo insulator journal May 2020
Sm B 6 : Kondo Insulator or Exotic Metal? journal February 1995
Additional energy scale in SmB6 at low-temperature journal December 2016
Anomalous Hall effect in heavy electron materials journal January 2013
Highly Asymmetric Nodal Semimetal in Bulk SmB 6 journal July 2018
Large, non-saturating magnetoresistance in WTe2 journal September 2014
Topological surface conduction in Kondo insulator YbB 12 journal July 2021
Reduced Hall carrier density in the overdoped strange metal regime of cuprate superconductors journal March 2021
Unconventional Fermi surface in an insulating state journal July 2015
Geometric interpretation of the weak-field Hall conductivity in two-dimensional metals with arbitrary Fermi surface journal January 1991
Unconventional thermal metallic state of charge-neutral fermions in an insulator journal July 2019
Correlated Topological Insulators with Mixed Valence journal February 2013
Odd-frequency pairing in the Kondo lattice journal April 1994
Field-induced phase transitions in a Kondo insulator journal December 2004
Low-temperature surface conduction in the Kondo insulator SmB 6 journal November 2013
Incomplete protection of the surface Weyl cones of the Kondo insulator SmB 6 : Spin exciton scattering journal August 2015
Disappearance of the metal-insulator transition in iridate pyrochlores on approaching the ideal R 2 Ir 2 O 7 stoichiometry journal July 2018
Putative Hall response of the strange metal component in Fe Se 1 x S x journal April 2021
Field-Induced Antiferromagnetism in the Kondo Insulator journal January 2004
Samarium hexaboride is a trivial surface conductor journal February 2018
Majoranas in mixed-valence insulators journal October 2020
Universal signatures of Majorana-like quasiparticles in strongly correlated Landau–Fermi liquids journal September 2020
Single crystal growth and physical properties of Kondo insulator YbB12 journal January 1998
Direct observation of the spin texture in SmB6 as evidence of the topological Kondo insulator journal July 2014
Chemical potential asymmetry and quantum oscillations in insulators journal September 2016
Magnetic and defect probes of the SmB 6 surface state journal November 2018
Quantum Oscillations in Flux-Grown SmB 6 with Embedded Aluminum journal April 2019
Interplay between Kondo Suppression and Lifshitz Transitions in YbRh 2 Si 2 at High Magnetic Fields journal June 2013
Orbitally defined field-induced electronic state in a Kondo lattice journal April 2020
Modification of the Lifshitz-Kosevich formula for anomalous de Haas–van Alphen oscillations in inverted insulators journal March 2018
Skyrme Insulators: Insulators at the Brink of Superconductivity journal August 2017
Transport Spectroscopy of the Field Induced Cascade of Lifshitz Transitions in YbRh 2 Si 2 journal October 2019
Kondo Breakdown in Topological Kondo Insulators journal April 2015
Enhanced quantum oscillations in Kondo insulators journal March 2020
f-electron hybridised Fermi surface in magnetic field-induced metallic YbB12 journal January 2022
Variational study of triangular lattice spin- 1 2 model with ring exchanges and spin liquid state in κ ( ET ) 2 Cu 2 ( CN ) 3 journal July 2005
Topological nature of the Kondo insulator Sm B 6 and its sensitiveness to Sm vacancy journal April 2021
Metal-insulator transition in dirty Kondo insulators journal January 1996
Field-Induced Metallic State in YbB 12 under High Magnetic Field journal November 1988
Magnetic and Semiconducting Properties of Sm B 6 journal February 1969
Cyclotron resonance inside the Mott gap: A fingerprint of emergent neutral fermions journal October 2019
Bulk Rotational Symmetry Breaking in Kondo Insulator SmB 6 journal September 2017
Imaging emergent heavy Dirac fermions of a topological Kondo insulator journal November 2019
Topological surface states on the nonpolar (110) and (111) surfaces of SmB 6 journal March 2021
Topological Crystalline Kondo Insulator in Mixed Valence Ytterbium Borides journal January 2014
Evidence of Fermi surface reconstruction at the metamagnetic transition of the strongly correlated superconductor UTe 2 journal August 2020
Evolution of Hall Coefficient in Two-Dimensional Heavy Fermion CeCoIn 5 journal February 2006
The Kondo Problem to Heavy Fermions book January 1993
Induced anomalous Hall effect of massive Dirac fermions in Zr Te 5 and Hf Te 5 thin flakes journal May 2021
Aspects of strongly correlated insulators journal October 1994
Heavy fermion semiconductors journal May 2000
Investigation of the Magnetoresistance Quantum Oscillations in Magnesium journal September 1973
Theory of topological Kondo insulators journal January 2012
Magnetic impurities in Kondo insulators: An application to samarium hexaboride journal June 2020
Quantum oscillations in insulators with neutral Fermi surfaces journal January 2018
Carrier screening, transport, and relaxation in three-dimensional Dirac semimetals journal January 2015
Theory for the anomalous Hall constant of mixed-valence systems journal July 1985
Scalable T2 resistivity in a small single-component Fermi surface journal August 2015
Non-Fermi Liquid Behavior in the Magnetotransport of Ce M In 5 ( M : Co and Rh): Striking Similarity between Quasi Two-Dimensional Heavy Fermion and High- T c Cuprates journal February 2007
Magnetization Process of the Kondo Insulator YbB 12 in Ultrahigh Magnetic Fields journal May 2017
Unusual high-field metal in a Kondo insulator journal April 2021
Conductivity of a Weyl semimetal with donor and acceptor impurities journal May 2015
Observation of possible topological in-gap surface states in the Kondo insulator SmB6 by photoemission journal December 2013
Cascade of Magnetic-Field-Induced Lifshitz Transitions in the Ferromagnetic Kondo Lattice Material YbNi 4 P 2 journal September 2017
High-field suppression of in-gap states in the Kondo insulator Sm B 6 journal February 2007
Theory of the Hall effect in heavy-fermion compounds journal August 1987
Fermi surface in the absence of a Fermi liquid in the Kondo insulator SmB6 journal October 2017

Similar Records

Topological surface conduction in Kondo insulator YbB12
Journal Article · Tue Jul 20 00:00:00 EDT 2021 · Journal of Physics. D, Applied Physics · OSTI ID:1870932

Unusual high-field metal in a Kondo insulator
Journal Article · Mon Apr 12 00:00:00 EDT 2021 · Nature Physics · OSTI ID:1870932

Shubnikov-de Haas quantum oscillations reveal a reconstructed Fermi surface near optimal doping in a thin film of the cuprate superconductor Pr1.86Ce0.14CuO4±δ
Journal Article · Fri Sep 16 00:00:00 EDT 2016 · Physical Review B · OSTI ID:1870932