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- W3023084311 abstract "The (La{sub 1{minus}} x Sr{sub x}){sub 3}Mn{sub 2}O{sub 7} compounds are layered materials that exhibit higher magneto-resistance than the corresponding 3D manganite perovskites. Quasi-elastic neutron scattering on a polycrystalline sample of La{sub 1.4}Sr{sub 1.6}Mn{sub 2}O{sub 7} shows that the spin fluctuation spectrum of the these layered CMR materials is qualitatively similar to those found in the perovskite manganites (La,Ca)MnO{sub 3}; their concentration, lifetime, and coherence length increase as T decreases to T{sub c}. Unlike the perovskites we find a lower spin-diffusion constant above T{sub c} of {approximately}5 meV {angstrom}{sup 2}." @default.
- W3023084311 created "2020-05-13" @default.
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- W3023084311 date "1998-03-23" @default.
- W3023084311 modified "2023-09-25" @default.
- W3023084311 title "Short range spin correlations in the CMR material La{sub 1.4}Sr{sub 1.6}Mn{sub 2}O{sub 7}." @default.
- W3023084311 hasPublicationYear "1998" @default.
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