Electric properties of supercooled water contained in cylindrical nanopores
Abstract
The paper provides data on measuring electrical properties of supercooled water in nanoporous silica MCM-41 with 3.5 nm diameter cylindrical pores, using the methods of dielectric spectroscopy and measuring proper electrical fluctuations at low frequencies. Occurrence of non-linear media properties at the temperatures below -35 C was determined, which was revealed in the form of registered cell capacity dependence on voltage amplitude in it, as well as noise increase close to -40 C. The effects observed are supposed to be related to the earlier predicted ferroelectric phase transition.
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