Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2005-01-11
Phys. Rev. B 71, 125117 (2005)
Physics
Condensed Matter
Strongly Correlated Electrons
To appear in Phys. Rev. B, 5 pages, 3 figures
Scientific paper
10.1103/PhysRevB.71.125117
The temperature dependence of the O K-edge pre-edge structure in the x-ray absorption spectra of the perovskites La(1-x)A(x)MnO(3), (A = Ca, Sr; x = 0.3, 0.4) reveals a correlation between the disappearance of the splitting in the pre-edge region and the presence of Jahn-Teller distortions. The different magnitudes of the distortions for different compounds is proposed to explain some dissimilarity in the line shape of the spectra taken above the Curie temperature.
Arenholz Elke
Fadley Charles S.
Mannella Norman
Nambu A.
Ritchey S.
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