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QENS profiles of SD (Q, ω) at Q = 1.0 Å−1 in the energy range of −500 to 1500 μeV with a resolution of 12 μeV at 238 K (purple), 253 K (blue), 268 K (green), and 283 K (red). SD (Q, ω) is the scattering intensity of the chitosan hydrated with D2O, which is interpreted in terms of single hydrogen atom dynamics. The black curve represents the resolution profile of vanadium obtained by QENS.
