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Band-Selective Modification of the Magnetic Fluctuations in Sr2RuO4: Study of Substitution Effects
N. Kikugawa, C. Bergemann, A. P. Mackenzie +1
We report a study of magnetic, thermal, and transport properties of La(3+) substituted Sr2RuO4, performed in order to investigate the effects of additional electron doping in this…
Effects of In-Plane Impurity Substitution in Sr2RuO4
Naoki Kikugawa, Andrew Peter Mackenzie, Yoshiteru Maeno
We report comparative substitution effects of nonmagnetic Ti^(4+) and magnetic Ir^(4+) impurities for Ru^(4+) in the spin-triplet superconductor Sr2RuO4. We found that both impurit…
Critical end-point and metamagnetic quantum criticality in Sr3Ru2O7
May Chiao, C. Pfleiderer, R. Daou +6
We report a metamagnetic critical point at (B*,T*)=(5.1T,1.1K) for magnetic fields applied perpendicular to the (tetragonal) c-axis of Sr3Ru2O7. First-order behaviour well below T*…
Observation of Two-dimensional Spin Fluctuations in the Bilayer Ruthenate Sr3Ru2O7 by Inelastic Neutron Scattering
L. Capogna, E. M. Forgan, S. M. Hayden +7
We report the first observation of two-dimensional incommensurate magnetic fluctuations in the layered metallic perovskite Sr3Ru2O7. The wavevectors where the magnetic fluctuations…