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Structural and superconducting properties of La2-xSrxCuO4 as a function of Sr content.

Abstract:
We have studied the structural and superconducting properties of La2-xSrxCuO4 by neutron and x-ray powder diffraction, thermogravimetry, ac susceptibility, and dc magnetization. The kinetics of the synthesis reaction were studied in order to determine the optimum conditions for preparing single-phase samples. The room-temperature and low-temperature structural properties, as determined by neutron powder diffraction, are discussed in detail. By comparing the results of the neutron-diffraction and magnetic measurements, we conclude that superconductivity exists in both the orthorhombic and tetragonal phases. The thermodynamic conditions for the stability of the La2-xSrxCuO4 phase are also investigated. © 1994 The American Physical Society.
Publication status:
Published

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Publisher copy:
10.1103/physrevb.49.4163

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author


Journal:
Physical review. B, Condensed matter More from this journal
Volume:
49
Issue:
6
Pages:
4163-4175
Publication date:
1994-02-01
DOI:
EISSN:
1095-3795
ISSN:
0163-1829


Language:
English
Pubs id:
pubs:66266
UUID:
uuid:17bb0118-ffa0-44a5-b2cf-c16e66a35ca0
Local pid:
pubs:66266
Source identifiers:
66266
Deposit date:
2012-12-19

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