Figure 2: XRMS showing absence of G-AFM order and emergence of FM order in 1.1% tensile-strained ETO on DSO(110) substrate.
From: Reversible control of magnetic interactions by electric field in a single-phase material
(a) An L-scan through the (1/2 1/2 5/2)ETO reflection at 1.6 K below the TC mark of 4.05 K. Some charge-scattered leakage is detected; however, an energy scan through the Eu LII edge is presented in the inset showing no resonant (magnetic) response. The finding demonstrates absence of long-range G-AFM order of the Eu ions in the FM phase. The leaked charge amplitude derives from the octahedral tilting pattern, (a−a−c0) (ref. 32). (b) Presents contrasting energy scans through the Eu L II edge above and below TC at the integer (001)ETO reflection. Inset plots an L-scan through the same reflection. Owing to the overlap of both charge and magnetic scattering at this reflection, complete suppression of the former is constrained. The onset of magnetic scattering below TC is shown with the increase of scattered intensity through the edge and indicates the spontaneous (zero field) FM long-range order. The magnetic scattering contribution was about 9% of the total intensity. The results of statistical error propagation is presented for the difference signal.
