The ground state of Sr3Ru2O7 revisited; Fermi liquid close to a ferromagnetic instability

Abstract

We show that single-crystalline Sr3Ru2O7 grown by a floating-zone technique is an isotropic paramagnet and a quasi-two dimensional metal as spin-triplet superconducting Sr2RuO4 is. The ground state is Fermi liquid with very low residual resistivity (3 micro ohm cm for in-plane currents) and a nearly ferromagnetic metal with the largest Wilson ratio Rw>10 among paramagnets so far. This contrasts with the ferromagnetic order at Tc=104 K reported on single crystals grown by a flux method [Cao et al., Phys. Rev. B 55, R672 (1997)]. We have also found a dramatic changeover from paramagnetism to ferromagnetism under applied pressure. This suggests the existence of a substantial ferromagnetic instability on the verge of a quantum phase transition in the Fermi liquid state.

5 pages, 4 figures, to be published in Phys. Rev. B : Rapid com

Cited by in corpus (110)

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• Field tunable spin density wave phases in Sr3Ru2O7
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• Quantum oscillations near the metamagnetic transition in Sr3Ru2O7
• Transport properties of Metallic Ruthenates: a DFT+DMFT investigation
• Competing Ground States in Triple-layered Sr4Ru3O10: Verging on Itinerant Ferromagnetism with Critical Fluctuations
• Magnetic ordering in Sr2RuO4 induced by nonmagnetic impurities
• Sr3Ru2O7: Thermodynamics of Phase Formation in a Quantum Critical Metal
• Multicritical Fermi surface topological transitions
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• Systematic approach to the growth of high-quality single-crystals of Sr3Ru2O7
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• Carrier localization and electronic phase separation in a doped spin-orbit driven Mott phase in Sr3(Ir1-xRux)2O7
• Uniaxial-Pressure induced Ferromagnetism of Enhanced Paramagnetic Sr3Ru2O7
• Theory of the Strange Metal Sr${}_3$Ru${}_2$O${}_7$
• Van Hove singularity and spontaneous Fermi surface symmetry breaking in Sr3Ru2O7
• Metamagnetic Quantum Criticality Revealed by 17O-NMR in the Itinerant Metamagnet Sr3Ru2O7
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• The de Haas-van Alphen effect across the metamagnetic transition in Sr${}_3$Ru${}_2$O${}_7$
• Local Tunneling Spectroscopy across a Metamagnetic Critical Point in the Bi-layer Ruthenate Sr3Ru2O7
• Quantum criticality and the formation of a putative electronic liquid crystal in Sr3Ru2O7
• Impurity-induced transition to a Mott insulator in Sr${}_3$Ru${}_2$O${}_7$
• Electric Octupole Order in Bilayer Ruthenate Sr${}_3$Ru${}_2$O${}_7$
• Quantum critical metamagnetism of Sr3Ru2O7 under hydrostatic pressure
• Charge instabilities at the metamagnetic transition
• Multi-orbital physics in Fermi liquids prone to magnetic order
• Electrical Transport Properties of Single Crystal Sr3Ru2O7: The Possible Existence of an Antiferromagnetic Instability at Low Temperatures
• Evolution of Structural and Physical Properties of Sr3(Ru1-xMnx)2O7 with Mn Concentration
• Comparative Raman Studies of Sr2RuO4, Sr3Ru2O7 and Sr4Ru3O10
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• Evidence for the Sr2RuO4 intercalations in the Sr3Ru2O7 region of the Sr3Ru2O7-Sr2RuO4 eutectic system
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• Local noncentrosymmetricity and possible spin-momentum locking in Sr${}_3$Ru${}_2$O${}_7$
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• Temperature- and field-driven spin reorientations in triple-layer ruthenate Sr${}_4$Ru${}_3$O${}_{10}$