Anodic synthesis and XPS analysis of La_(1-x)Na_xCu_2O_4 |
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| Authors: | ZHAO Liang-Zhong ZHANG Jin-BiaoXU Cui-Ying LIU Shi-HongInstitute of Chemistry Chinese Academy of Sciences Beijing China |
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| Institution: | ZHAO,Liang-Zhong ZHANG,Jin-BiaoXU,Cui-Ying LIU,Shi-HongInstitute of Chemistry,Chinese Academy of Sciences,Beijing 100080,China |
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| Abstract: | The single phase La1-xNaxCu2O4 crystals were synthesized by an electrochemical method from molten KOH/NaOH/KNO3 at 280–300°C while La2-y NayCuO4 were prepared by precipitation from the same molten salt. The resulting crystals were characterized by using SEM, XRD, EDX and XPS. XPS analysis revealed that the La3d satellite structures of La1-x NaxCu2O4 were quite different from those of La2-y NayCuO4. These differences have been attributed tyo the changes in crystal structures, bond lengths and covalent character of the metal-ligand bonds. |
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| Keywords: | La1-xNaxCu2O4 electrochemical synthesis XPS |
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