Stoructural science and various functions in hydorogen-bond materials. Raman Scattering Study of HSO4 and DSO4 in TKHS-TKDS Mixed crystals.

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  • 水素結合における構造物性と機能　　ラマン散乱による水素結合系混晶におけるＨ結合とＤ結合の相互作用の解明
  • ラマン サンラン ニヨル スイソ ケツゴウケイ コンショウ ニ オケル H ケ

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Abstract

In K3H (SO4) 2-K3D (SO4) 2 mixed crystals, internal v2 mode frequencies of DSO4 show abrupt splitting at the phase transition temperature, while those of HSO4 split continuously. The length of D-hydrogen bond is concluded to be independent of the D concentration. This conclusion is supported by the measurement of the characteristic time τc-1 of deuteron motion; gradients of the temperature dependence of τc-1 are almost the same for any concentration of D studied.

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