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Signature of checkerboard fluctuations in the phonon spectra of a possible polaronic metal La1.2Sr1.8Mn2O7

✍ Scribed by Weber, F.; Aliouane, N.; Zheng, H.; Mitchell, J. F.; Argyriou, D. N.; Reznik, D.


Book ID
109934625
Publisher
Nature Publishing Group
Year
2009
Tongue
English
Weight
748 KB
Volume
8
Category
Article
ISSN
1476-1122

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Spin dynamical properties of the layered
✍ H. Fujioka; M. Kubota; K. Hirota; H. Yoshizawa; Y. Moritomo; Y. Endoh πŸ“‚ Article πŸ“… 1999 πŸ› Elsevier Science 🌐 English βš– 136 KB

Inelastic neutron-scattering measurements were performed on a single crystal of the layered colossal magnetoresistance (CMR) material La 1.2 Sr 1.8 Mn 2 O 7 (T C t 120 K). We found that the spin wave dispersion is almost perfectly two-dimensional with the in-plane spin stiffness constant D t 151 meV