ON THE EFFECTS OF TI, ZR AND CE SUBSTITUTION IN YBA2CU3O7-DELTA - TRANSPORT, XRD, XPS AND XANES STUDIES

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Title:	ON THE EFFECTS OF TI, ZR AND CE SUBSTITUTION IN YBA2CU3O7-DELTA - TRANSPORT, XRD, XPS AND XANES STUDIES
Authors:	MEHTA, PK PADALIA, BD PRAKASH, OM ADROJA, DT PRABHAWALKAR, PD VENKATARAMANI, N MALIK, SK NARLIKAR, AV
Issue Date:	1991
Publisher:	INDIAN ACADEMY SCIENCES
Citation:	BULLETIN OF MATERIALS SCIENCE, 14(3), 871-876
Abstract:	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.
URI:	http://dx.doi.org/10.1007/BF02744741 http://dspace.library.iitb.ac.in/xmlui/handle/10054/8679 http://hdl.handle.net/10054/8679
ISSN:	0250-4707
Appears in Collections:	Article

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