The role of hydrogen bonds in anomalies of dielectric properties of Diglycine Nitrate and Triglycine Tellurateстатья
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Дата последнего поиска статьи во внешних источниках: 20 мая 2017 г.
Аннотация:Dielectric spectroscopy measurements have been carried out at 10^(−1)−10^7 Hz in the temperature range between 0 and 100°C on single crystals from the Triglycine Sulphate family - Triglycine Tellurate and Diglycine Nitrate, which contain 2.6÷2.9 Å hydrogen bonds. Temperature and frequency dependencies of complex dielectric permittivity, conductivity, electric modulus and calculated parameters of relaxation time spectra demonstrate anomalous behaviour at temperatures close to those of anomalies of physical properties of water. The results are interpreted from the point of view that the structure and dynamic properties of hydrogen bond network in water and in studied crystals are similar.