Synthesis and structure of a new mixed cuprate-titanate: La{sub 2}Sr{sub 4}Cu{sub 2}Ti{sub 2}O{sub 13}
Journal Article
·
· Materials Research Bulletin
- Univ. of Science and Technology of China, Anhui (China). Dept. of Applied Chemistry
A new mixed cuprate-titanate compound with nominal composition of La{sub 2}Sr{sub 4}Cu{sub 2}Ti{sub 2}O{sub 13} has been prepared. Cell parameters of {alpha} = 3.8818(1) {angstrom} and c = 20.3118(6) {angstrom} have been obtained from indexing the X-ray diffraction (XRD) patterns of the samples. The structure refined from the XRD pattern showed that the compound is related to Ruddlesden-Popper phase with Cu and Ti statistically occupying the Ti position in Sr{sub 3}Ti{sub 2}O{sub 7}. The oxygen vacancies were found at apical sites between the double Cu/Ti-O layers. The author was unable to make the samples superconducting or more conductive due to the disordered nature of Ti/Cu occupation and oxygen vacancies in the samples.
- OSTI ID:
- 242181
- Journal Information:
- Materials Research Bulletin, Journal Name: Materials Research Bulletin Journal Issue: 5 Vol. 31; ISSN MRBUAC; ISSN 0025-5408
- Country of Publication:
- United States
- Language:
- English
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