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Novel Jeff = 1/2 Mott State Induced by Relativistic Spin-Orbit Coupling in Sr2IrO4
B. J. Kim, Hosub Jin, S. J. Moon +11
We investigated electronic structure of 5d transition-metal oxide Sr2IrO4 using angle-resolved photoemission, optical conductivity, and x-ray absorption measurements and first-prin…
Ca3(Ru1-xCrx)2O7: A new paradigm for spin valves
G. Cao, V. Durairaj, S. Chikara +2
The spin valve effect is a quantum phenomenon so far only realized in multilayer thin films or heterostructures. Here we report a strong spin valve effect existing in bulk single c…
Non-Fermi-liquid behavior in nearly ferromagnetic metallic SrIrO3 single crystals
G. Cao, V. Durairaj, S. Chikara +3
We report transport and thermodynamic properties of single-crystal SrIrO3 as a function of temperature T and applied magnetic field H. We find that SrIrO3 is a non-Fermi-liquid met…
Borderline magnetism in Sr4Ru3O10: Impact of dilute La and Ca doping on itinerant ferromagnetism and metamagnetism
S. Chikara, V. Durairaj, W. H. Song +5
An investigation of La and Ca doped Sr4Ru3O10, featuring a coexistence of interlayer ferromagnetism and intralayer metamagnetism, is presented. La doping readily changes magnetism…
Itinerant Ferromagnetism and Metamagnetism in Cr Doped Perovskite Ruthenates
V. Durairaj, E. Elhami, S. Chikara +5
We report results of structural, magnetic and transport properties of single crystal CaRu1-xCrxO3 (0≤x≤0.36) and SrRu1-xCrxO3 (0≤x≤0.30). Cr substitution as…
Observation of oscillatory magnetoresistance periodic in 1/B and B in Ca3Ru2O7
V. Durairaj, X. N. Lin, Z. X. Zhou +5
We report magnetoresistance oscillations in high magnetic fields, B, up to 45 T and over a wide range of temperature in the Mott-like system Ca3Ru2O7. For B rotating within the ac-…