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High energy spin excitation of a high-Tc superconductor La1.85Sr0.15CuO4

✍ Scribed by M. Arai; T. Arakawa; M. Fujita; S. Wakimoto; K. Yamada; Y. Endoh; G. Aeppli; T. E. Mason; S. M. Hayden

Book ID
112786508
Publisher
Springer
Year
1996
Tongue
English
Weight
371 KB
Volume
46
Category
Article
ISSN
0011-4626

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πŸ“œ SIMILAR VOLUMES

Structural instability of high-Tc superc
Structural instability of high-Tc superconductor La1.85Sr0.15CuO4
✍ M. Arai; H. Shibazaki; T. Nishijima; T. Arakawa; K. Ubukata; M. Fujita; Y. Murak πŸ“‚ Article πŸ“… 1996 πŸ› Elsevier Science 🌐 English βš– 194 KB

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 p

High-energy phonon dispersion in La1.85S
High-energy phonon dispersion in La1.85Sr0.15CuO4
✍ A.H. Moudden; P.M. Gehring; G. Shirane; M. Matsuda; L. Vasiliu-Doloc; B. Hennion πŸ“‚ Article πŸ“… 1995 πŸ› Elsevier Science 🌐 English βš– 189 KB

We have measured two phonon-dispersion curves above 50meV in a superconducting (T~ = 33 K) single crystal of Lal.85Sro.tsCuO4. In the normal phase (T =45 K), we show that the A, mode compatible with the Raman A, g (425 cm -1) mode is weakly dispersive, falling from 53.7 meV at the zone center to abo