Phonon thermal Hall effect in non-magnetic Y${}_2$Ti${}_2$O${}_7$

Abstract

We report an investigation of the phonon thermal Hall effect in single crystal samples of Y${}_2$Ti${}_2$O${}_7$, Dy${}_2$Ti${}_2$O${}_7$, and DyYTi${}_2$O${}_7$. We measured the field-linear thermal Hall effect in all three samples. The temperature dependence of thermal Hall conductivities shows a peak around 15 K, which coincides with the peak positions of the longitudinal thermal conductivities. The temperature-dependent longitudinal thermal conductivities indicates that phonons dominate thermal transport in all three samples. However, the presence of Dy${}^{3+}$ magnetic ions introduces significant effects on the field dependence of longitudinal thermal conductivities. The thermal Hall ratio is sizeable in all three samples and consistent with the values reported for other insulating materials exhibiting a phononic thermal Hall effect, though their exact underlying mechanism remains yet to be identified. The thermal Hall ratio is nearly the same for ${\mathrm{Y}}_2\mathrm{T}{\mathrm{i}}_2{\mathrm{O}}_7$ and DyYTi${}_2$O${}_7$, and slightly larger for Dy${}_2$Ti${}_2$O${}_7$, suggesting that magnetic impurities are less significant in generating the phononic thermal Hall effect. Our observations of the phononic thermal Hall effect support an intrinsic origin in Y${}_2$Ti${}_2$O${}_7$, but suggest a combination of intrinsic and extrinsic effects in Dy${}_2$Ti${}_2$O${}_7$ and DyYTi${}_2$O${}_7$.

arXiv comment5 pages, 3 figures

References in corpus (55)

• Spin Ice State in Frustrated Magnetic Pyrochlore Materials
• Magnetic Monopoles in Spin Ice
• Observation of the Magnon Hall Effect
• Dirac Strings and Magnetic Monopoles in Spin Ice Dy2Ti2O7
• The thermal Hall effect of spin excitations in a Kagome magnet
• Magnetic anisotropy of the spin ice compound Dy2Ti2O7
• Effect of lattice geometry on magnon Hall effect in ferromagnetic insulators
• Thermal Hall conductivity in the frustrated pyrochlore magnet Tb2Ti2O7
• Berry Curvature and Phonon Hall Effect
• Giant thermal Hall conductivity from neutral excitations in the pseudogap phase of cuprates
• Phonons become chiral in the pseudogap phase of cuprates
• Theory of Phonon Hall Effect in Paramagnetic Dielectrics
• Phonon thermal Hall effect in strontium titanate
• Thermal Hall Effect Induced by Magnon-Phonon Interactions
• Evidence of a Phonon Hall Effect in the Kitaev Spin Liquid Candidate $\alpha$-RuCl${}_3$
• Thermal Hall effect in a phonon-glass Ba${}_3$CuSb${}_2$O${}_9$
• Large Thermal Hall Effect in $\alpha$-RuCl${}_3$: Evidence for Heat Transport by Kitaev-Heisenberg Paramagnons
• Anomalous Thermal Hall Effect in an Insulating van der Waals Magnet VI3
• Berry curvature in magnon-phonon hybrid systems
• Enhanced thermal Hall effect in nearly ferroelectric insulators
• Thermal Hall conductivity in the cuprate Mott insulators Nd${}_2$CuO${}_4$ and Sr${}_2$CuO${}_2$Cl${}_2$
• Origin of the Phonon Hall Effect in Rare-Earth Garnets
• Thermal conductivity of quantum magnetic monopoles in the frustrated pyrochlore Yb2Ti2O7
• Berry phase of phonons and thermal Hall effect in nonmagnetic insulators
• Magnetically originated phonon-glass-like behavior in Tb_2Ti_2O_7 single crystal
• Far from equilibrium monopole dynamics in spin ice
• Large Phonon Thermal Hall Conductivity in a Simple Antiferromagnetic Insulator
• The phonon thermal Hall angle in black phosphorus
• Thermal Hall Effects of Spins and Phonons in Kagome Antiferromagnet Cd-Kapellasite
• Charged Defects and Phonon Hall Effects in Ionic Crystals
• First principles calculation and experimental investigation of lattice dynamics in the rare earth pyrochlores R2Ti2O7 (R=Tb, Dy, Ho)
• Anomalous thermal expansion and strong damping of the thermal conductivity of NdMnO${}_3$ and TbMnO${}_3$ due to 4f crystal-field excitations
• Resonant thermal Hall effect of phonons coupled to dynamical defects
• Phonon thermal Hall effect in a metallic spin ice
• Thermal Conductivity and Specific Heat of the Spin-Ice Compound Dy${}_2$Ti${}_2$O${}_7$: Experimental Evidence for Monopole Heat Transport
• Extrinsic phonon thermal Hall transport from Hall viscosity
• Phonon Thermal Hall Conductivity from Scattering with Collective Fluctuations
• Sizeable suppression of thermal Hall effect upon isotopic substitution in strontium titanate
• Thermal Hall effect in a van der Waals triangular magnet FeCl2
• Phonon drag thermal Hall effect in metallic strontium titanate
• Thermal Hall conductivity of electron-doped cuprates
• Phonon Hall viscosity from phonon-spinon interactions
• Large extrinsic phonon thermal Hall effect from resonant scattering
• Thermal Conductivity and Theory of Inelastic Scattering of Phonons by Collective Fluctuations
• Low-temperature thermal conductivity of Dy_2Ti_2O_7 and Yb_2Ti_2O_7 single crystals
• Anisotropic Monopole Heat Transport in the Spin-Ice Compound Dy${}_2$Ti${}_2$O${}_7$
• Thermal Hall effects due to topological spin fluctuations in YMnO${}_3$
• Impurity-induced phonon thermal Hall effect in the antiferromagnetic phase of Sr2IrO4
• Suppression of Pauling's Residual Entropy in Dilute Spin Ice (Dy${}_{1-x}$Y${}_x$)${}_2$Ti${}_2$O${}_7$
• Phononic-magnetic dichotomy of the thermal Hall effect in the Kitaev-Heisenberg candidate material Na${}_2$Co${}_2$TeO${}_6$
• Heat transport of the spin-ice materials Ho${}_2$Ti${}_2$O${}_7$ and Dy${}_2$Ti${}_2$O${}_7$
• Phonon thermal Hall effect in charge-compensated topological insulators
• Role of magnetic ions in the thermal Hall effect of the paramagnetic insulator TmVO${}_4$
• Muon diffusion and electronic magnetism in Y${}_2$Ti${}_2$O${}_7$
• Phonon Thermal Hall Effect in a non-Kramers Paramagnet

Cited by in corpus (4)

• Extrinsic contribution to bosonic thermal Hall transport
• Formulation of spin Nernst effect for spin-nonconserving insulating magnets
• Field-Angle Dependence of Phonon Thermal Hall Effect in Na2X2TeO6 (X = Co, Zn)
• Inherited Berry curvature of phonons in Dirac materials with time-reversal symmetry