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. 2015 Jan 13;5:7754. doi: 10.1038/srep07754

Figure 4. In-plane magnetic field dependence of the transient reflectivity.

Figure 4

(a), (b) The reflectivity transients in EuFe2As2 with the magnetic field parallel to the Inline graphic polarization. (c), (d) The reflectivity transients in EuFe2(As0.81P0.19)2 with the magnetic field field paralel to the Inline graphic polarization. All transient were measured at T = 2 K, Inline graphic and 1.55-eV pump-photon energy. Insets show shematically magnetization reorientation in magnetic field.