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|Title:||Structural and electronic phase transitions in Sr1-xCexMnO3 perovskites|
|Citation:||Kennedy, B. J., Saines, P. J., Zhou, Q. D., Zhang, Z., Matsuda, M., & Miyake, M. (2008). Structural and electronic phase transitions in Sr1-xCexMnO3 perovskites. Journal of Solid State Chemistry, 181(10), 2639-2645. doi:10.1016/j.jssc.2008.06.022|
|Abstract:||The structures of eight members of the series Sr1-xCexMnO3 with 0.075≤x≤0.4 have been established using synchrotron X-ray powder diffraction. Unusual peak broadening due to domainwall scattering is observed near the composition-induced first-order cubic–tetragonal transition. The temperature dependence of the structures for three examples x = 0.1, 0.2 and 0.35 is described. For the x = 0.1 and 0.35 samples evidence for a first-order loss of the orbital ordering associated with a cooperative Jahn–Teller distortion is presented. The onset of the orbitally disordered state is accompanied by a discontinuous reduction in cell volume. © 2008, Elsevier Ltd.|
|Gov't Doc #:||2603|
|Appears in Collections:||Journal Articles|
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