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Incommensurate Magnetic Ordering inSr2Ru1−xTixO4
2002
Physical Review Letters
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In Sr_2RuO_4 the spin excitation spectrum is dominated by incommensurate fluctuations at q=(0.3 0.3 q_z), which arise from Fermi-surface nesting. We show that upon Ti substitution, known to suppress superconductivity, a short range magnetic order develops with a propagation vector (0.307 0.307 1). This finding confirms that superconducting Sr_2RuO_4 is extremely close to an incommensurate spin density wave instability. In addition, the ordered moment in points along the c-direction, which
doi:10.1103/physrevlett.88.197002
pmid:12005659
fatcat:uvl5synddrgkzpyqbkukzjtkpm