On the effects of Ti, Zr and Ce substitution in YBa2Cu3O7−δ : transport, XRD, XPS and XANES studies | Zendy

P. K. Mehta | Zendy; B. D. Padalia | Zendy; Om Prakash | Zendy; D. T. Adroja | Zendy; P.D. Prabhawalkar | Zendy; N. Venkataramani | Zendy; S.K. Malik | Zendy; A.V. Narlikar | Zendy

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On the effects of Ti, Zr and Ce substitution in YBa2Cu3O7−δ : transport, XRD, XPS and XANES studies

Author(s) -

P. K. Mehta,

B. D. Padalia,

Om Prakash,

D. T. Adroja,

P.D. Prabhawalkar,

N. Venkataramani,

S.K. Malik,

A.V. Narlikar

Publication year - 1991

Publication title -

bulletin of materials science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.35

H-Index - 72

eISSN - 0973-7669

pISSN - 0250-4707

DOI - 10.1007/bf02744741

Subject(s) - xanes , valence (chemistry) , materials science , x ray photoelectron spectroscopy , ion , crystallography , iodometry , oxidation state , analytical chemistry (journal) , inorganic chemistry , nuclear magnetic resonance , spectroscopy , metallurgy , chemistry , metal , physics , organic chemistry , quantum mechanics , chromatography

Results of the XRD, XPS, XANES, iodometric titration and transport studies on freshly prepared Ce, Zr and Ti substituted 1-2-3 samples are reported here. It is argued that at least 2% of Ce, Zr and Ti ions go into the 1-2-3 lattice. It is found that Zr, Ti ions exist in 4+ valence state, Ce is in predominantly 4+ (mixed valence) state and valence of Cu remains unaffected on substitution

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