Incommensurate magnetic ordering in Ti-doped Sr3Ru2O7

Steffens, P.; Farrell, J.; Price, S.; Mackenzie, A. P.; Sidis, Y.; Schmalzl, K.; Braden, M.

doi:10.1103/PhysRevB.79.054422

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Incommensurate magnetic ordering in Ti-doped Sr₃Ru₂O₇

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Steffens, P., Farrell, J., Price, S., Mackenzie, A. P., Sidis, Y., Schmalzl, K., et al. (2009). Incommensurate magnetic ordering in Ti-doped Sr₃Ru₂O₇. Physical Review B, 79(5): 054422, pp. 1-8. doi:10.1103/PhysRevB.79.054422.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0018-F22D-F

Abstract

Magnetic correlations in Ti-substituted Sr-3(Ru1-xTix)(2)O-7 have been studied by elastic and inelastic neutron-scattering techniques. Below transition temperatures of the order of 20 K, the samples with 7.5 and 10% of Ti content exhibit an incommensurate spin-density wave ordering with a propagation vector q(ic)= (0.24, 0.24,0), which does not reflect the dominant magnetic instabilities in pure Sr3Ru2O7. Strong inelastic correlations near q(ic) were found to persist in Sr-3(Ru1-xTix)(2)O-7 far above the magnetic ordering; they become gapped in the ordered state.