1988 年 57 巻 11 号 p. 3686-3689
By neutron quasielastic scattering experiments, we observed a two-dimensional antiferromagnetic diffuse scattering in a superconducting La1.92Sr0.08CuO4−δ sample at room temperature as well as in a superconducting phase. The line shape of the magnetic diffuse scattering at 295 K is a conventional Lorentzian, whereas it changes to a non-Lorentzian shape at low temperatures, presumably being a double peak structure with the peaks shifted by 0.05a* from the antiferromagnetic zone center.
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