Quantum Oscillations of the Metallic Triangular-lattice Antiferromagnet PdCrO2

Abstract

We report the de Haas-van Alphen (dHvA) oscillations and first-principle calculations for triangular antiferromagnet PdCrO2 showing unconventional anomalous Hall effect (AHE). The dHvA oscillations in PdCrO2 reveal presence of several 2 dimensional Fermi surfaces of smaller size than found in nonmagnetic PdCoO2. This evidences Fermi surface reconstruction due to the non-collinear 120 antiferromagnetic ordering of the localized Cr, consistent with the first principle calculations. The temperature dependence of dHvA oscillations shows no signature of additional modification of Cr spin structure below TN. Considering that the 120 helical ordering of Cr spins has a zero scalar spin chirality, our results suggest that PdCrO2 is a rare example of the metallic triangular antiferromagnets whose unconventional AHE can not be understood in terms of the spin chirality mechanism.

5 pages, 4 figures

References in corpus (5)

• Quantum oscillations and high carrier mobility in the delafossite PdCoO${}_2$
• Unconventional Anomalous Hall Effect in the Metallic Triangular-Lattice Magnet PdCrO2
• Critical behavior of the metallic triangular-lattice Heisenberg antiferromagnet PdCrO2
• Orbital degeneracy removed by charge order in triangular antiferromagnet AgNiO2
• Unique Phase Transition on Spin-2 Triangular Lattice of Ag2MnO2

Cited by in corpus (24)

• The properties of ultrapure delafossite metals
• Unconventional aspects of electronic transport in delafossite oxides
• Magnetic structure of the conductive triangular-lattice antiferromagnet PdCrO2
• Enhanced electron correlations in the new binary stannide PdSn4: a homologue of the Dirac nodal arc semimetal PtSn4
• From basic properties to the Mott design of correlated delafossites
• Anomalous Hall effect at the spontaneously electron-doped polar surface of PdCoO2 ultrathin films
• Anomalous Magnetothermopower in a Metallic Frustrated Antiferromagnet
• Magnetic fluctuations and spin-spirals in single-layer FeSe
• Magnetic interactions in PdCrO${}_2$ and their effects on its magnetic structure
• Impurity-induced vector spin chirality and anomalous Hall effect in ferromagnetic metals
• Hidden Mott insulator in metallic PdCrO${}_2$
• Impact of short-range order on transport properties of the two-dimensional metal PdCrO${}_2$
• Colossal enhancement of spin-chirality-related Hall effect by thermal fluctuation
• Quasi two-dimensional Fermi surface topography of the delafossite PdRhO${}_2$
• The Fermi surface of PtCoO2 from quantum oscillations and electronic structure calculations
• Magnetic frustration and spontaneous rotational symmetry breaking in PdCrO2
• Investigation of Planckian behavior in a high-conductivity oxide: PdCrO${}_2$
• Probing hidden Mott gap and incommensurate charge modulation on the polar surfaces of PdCrO${}_2$
• Complex Fermiology and Electronic Structure of Antiferromagnet EuSnP
• Probing spin correlations using angle resolved photoemission in a coupled metallic/Mott insulator system
• Heisenberg spins on an anisotropic triangular lattice: PdCrO2 under uniaxial stress
• Adsorbate-induced formation of a surface-polarity-driven nonperiodic superstructure
• Pressure-enhanced $f$-electron orbital weighting in UTe2 mapped by quantum interferometry
• Control of Impurity Phase Segregation in a PdCrO${}_2$/CuCrO${}_2$ Heterostructure