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Study on the Structural and Transporting Property of Sr2Ru1-xCuxO4-y(0.0≤x≤0.5)
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 Title & Authors
Study on the Structural and Transporting Property of Sr2Ru1-xCuxO4-y(0.0≤x≤0.5)
Park, Jung-Chul;
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compounds were prepared using a conventional solid state reaction. Based on the Rietveld refinements of X-ray diffraction results, it is revealed that compounds are the single phases with K2NiF4 type tetragonal system in the range of 0=x=0.3, while the mixed phases of and in the range of . By means of X-ray photoelectron spectroscopy, the valence states of Ru and Cu in , have been confirmed to 4+ and 2+, respectively. The bond length difference between octahedron is gradually decreased with increasing Cu content in , which results in the lower c/a ratio. So, it might be assured that the variation of local symmetry of octahedron is very closely related to the transporting property of compounds. The behavior of resistivity discloses that the metallic property in changes into the semiconducting one in proportion to the Cu content in .
;The Variation of Local Symmetry;The Transporting Property;
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