Matches in SemOpenAlex for { <https://semopenalex.org/work/W2104489764> ?p ?o ?g. }
- W2104489764 abstract "The orbital shapes and charge disproportionations at nominal ${text{Mn}}^{3+}$ and ${text{Mn}}^{4+}$ sites for the charge- and orbital-ordered phases have been studied on half-doped manganites $text{Pr}{({text{Sr}}_{0.1}{text{Ca}}_{0.9})}_{2}{text{Mn}}_{2}{text{O}}_{7}$ and ${text{Eu}}_{0.5}{text{Ca}}_{1.5}{text{MnO}}_{4}$ with double-layer and single-layer Mn-O networks, respectively, by means of x-ray structural analyses, in comparison with ${text{Pr}}_{0.5}{text{Ca}}_{0.5}{text{MnO}}_{3}$ with the pseudocubic network. In a single-layer ${text{Eu}}_{0.5}{text{Ca}}_{1.5}{text{MnO}}_{4}$ system, the $({y}^{2}ensuremath{-}{z}^{2})/({z}^{2}ensuremath{-}{x}^{2})$-type orbital shape is observed, while the $(3{y}^{2}ensuremath{-}{r}^{2})/(3{x}^{2}ensuremath{-}{r}^{2})$-type orbital shape in a pseudocubic ${text{Pr}}_{0.5}{text{Ca}}_{0.5}{text{MnO}}_{3}$ system. In a double-layer $text{Pr}{({text{Sr}}_{0.1}{text{Ca}}_{0.9})}_{2}{text{Mn}}_{2}{text{O}}_{7}$ system, the orbital shape is found to undergo a large change upon thermally induced rotation of orbital stripe. Furthermore, clear charge disproportionation is observed for the pseudocubic and double-layer systems, while it is not observed in the single-layer system. These results indicate that the orbital shape and charge disproportionation are sensitive to the dimension of Mn-O network." @default.
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- W2104489764 date "2009-08-06" @default.
- W2104489764 modified "2023-10-18" @default.
- W2104489764 title "Lattice-form-dependent orbital shape and charge disproportionation in charge- and orbital-ordered manganites" @default.
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- W2104489764 doi "https://doi.org/10.1103/physrevb.80.064402" @default.
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