Preparation and characterization of the
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P.S. Liu; G. Chen; J. Pei; Y. Cui; D.Q. Lu; N. Zhou; H.Z. Xian
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Article
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2008
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Elsevier Science
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English
β 555 KB
New compounds with layered structure Ca 2Γx Na x Co 2 O 5 (x ΒΌ 0.00-0.45) were prepared by citrate sol-gel method. X-ray powder diffraction patterns of the specimens could be indexed by two monoclinic lattices with C2 space group. The Co 2p X-ray photoelectron spectroscopy (XPS) was used to study Co