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. 2016 May 19;113(23):6397–6402. doi: 10.1073/pnas.1524689113

Fig. 3.

Fig. 3.

XAS and XMCD spectra of the LSMO/SIO superlattice. (A) Temperature dependence of the magnetization, MA, and the XMCD (Ir edge) of SL31. (B) Field dependence of magnetization measured by magnetometer and sign of Ir-XMCD. The opposite sign corresponds to the antiparallel configuration of Mn and Ir moments in E. (C and D) Core-level XAS spectra of Mn and Ir of the superlattice SL31 along with the spectra of SIO and LSMO thin film (purple curve). Peak positions of the XAS spectra of the superlattice are the same as the pure thin films and the multiplet features are identical in both Ir and Mn edge within the experimental limit, suggesting the minimal effect of charge transfer in the superlattice. (E) XMCD spectra of the multiple superlattices measured at 10 K with 1 T applied along the [100] direction with the same photon helicity and field direction. The magnitude of XMCD is normalized by the magnitude of L3 XAS for Mn and Ir, respectively. For comparison, the magnitude of XMCD of Ir is multiplied by a factor of 25.