Molecular dynamics of ion exchangers SG-1M and SGK-7 determined from neutron spectroscopy data

Lisichkin YV; Sakharova LA; Tumanov AA

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Molecular dynamics of ion exchangers SG-1M and SGK-7 determined from neutron spectroscopy data

机译：由中子光谱数据确定的离子交换剂SG-1M和SGK-7的分子动力学

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The inelastic neutron scattering spectra of samples of ion exchangers SG-1M and SGK-7, both "dry" and hydrated in heavy water, have been recorded in the temperature range 220-363 K on the time-of-flight spectrometers of the Kurchatov Institute and the Frank Laboratory of Neutron Physics of the Joint Institute for Nuclear Research. With an increase in the degree of hydration and sample temperature, the inelastic scattering spectra exhibit changes in the region of low-frequency vibrations, whereas the region of torsional vibrations of methyl groups remains relatively stable. Generalized frequency distributions are obtained for the samples studied. The effect of hydration and temperature on the noted microdynamic characteristics is discussed.

机译：离子交换剂SG-1M和SGK-7的样品在重水中“干燥”和水合时的非弹性中子散射光谱已在库尔恰托夫飞行时间光谱仪上记录在220-363 K的温度范围内研究所和联合核研究所的中子物理弗兰克实验室。随着水合度和样品温度的增加，非弹性散射谱在低频振动区域显示出变化，而甲基扭转振动区域保持相对稳定。获得了所研究样本的广义频率分布。讨论了水合作用和温度对所述微动力学特性的影响。

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《Crystallography reports》 |2007年第4期|共6页
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Lisichkin YV; Sakharova LA; Tumanov AA;
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1. Molecular dynamics of ion exchangers SG-1M and SGK-7 determined from neutron spectroscopy data [J] . Lisichkin YV, Sakharova LA, Tumanov AA Crystallography reports . 2007,第4期

机译：由中子光谱数据确定的离子交换剂SG-1M和SGK-7的分子动力学
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Molecular dynamics of ion exchangers SG-1M and SGK-7 determined from neutron spectroscopy data

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