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Compositional control of the superconducting properties of LiFeAs.

Abstract:

The response of the superconducting state and crystal structure of LiFeAs to chemical substitutions on both the Li and the Fe sites has been probed using high-resolution X-ray and neutron diffraction measurements, magnetometry, and muon-spin rotation spectroscopy. The superconductivity is extremely sensitive to composition: Li-deficient materials (Li(1-y)Fe(1+y)As with Fe substituting for Li) show a very rapid suppression of the superconducting state, which is destroyed when y exceeds 0.02, e...

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Publication status:
Published

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Publisher copy:
10.1021/ja103196c

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics, REF-Physics
Role:
Author
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Journal:
Journal of the American Chemical Society
Volume:
132
Issue:
30
Pages:
10467-10476
Publication date:
2010-08-05
DOI:
EISSN:
1520-5126
ISSN:
0002-7863
URN:
uuid:4932860d-44c0-445c-a425-a8a80322724d
Source identifiers:
65920
Local pid:
pubs:65920
Language:
English

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