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Report No.

Structure and dynamics of solid electrolyte (LiI)$$_{0.3}$$(LiPO$$_{3}$$)$$_{0.7}$$

Kartini, E.*; Nakamura, Mitsutaka   ; Arai, Masatoshi; Inamura, Yasuhiro  ; Nakajima, Kenji  ; Maksum, T.*; Hoggowiranto, W.*; Putra, T. Y. S. P.*

We present the neutron scattering study of superionic glass (LiI)$$_{0.3}$$(LiPO$$_{3}$$)$$_{0.7}$$ by using the inelastic neutron spectrometer AMATERAS at J-PARC. From the inelastic scattering, low energy excitation or the Boson Peak appears at $$sim$$ 6.5 meV. The extra quasielastic scattering was observed in the energy range 1 meV $$<$$ E $$<$$ 3 meV at 285 K but not at 20 K. The Q dependence of the dynamical structure factor S(Q,E) can be approximated to the long-wave acoustic like density fluctuation.



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Category:Chemistry, Physical



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