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Structural instability of high-Tc superconductor La1.85Sr0.15CuO4

✍ Scribed by M. Arai; H. Shibazaki; T. Nishijima; T. Arakawa; K. Ubukata; M. Fujita; Y. Murakami; H. Kawada; K. Yamada; T. Lee; Y. Endoh

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 194 KB
Volume: 219-220
Category: Article
ISSN: 0921-4526
DOI: 10.1016/0921-4526(95)00703-2

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✦ Synopsis

Investigation on a high-To superconductor, Lal.ssSro.15CuO4, was performed in the wide range of Q E space by means of neutron scattering and synchrotron radiation. The structure as well as the phonon dynamics showed a clear evolution at To. We found a spontaneous strain and phonon softening, which proves a strong coupling between lattice and superconductivity.

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