Abstract:Temperature dependencies of linear dielectric permittivity and third harmonic coefficient of nanoporous matrices SBA-15 with channel pore size of 7,5 nm filled with ferroelectric NH4HSO4 compared to bulk ammonium hydrogen sulphate were studied. The measurements were performed in a heating and cooling mode with a temperature range from 100 K to room temperature. Low-temperature phase transition shift of 7-8 degrees to low temperatures was found for nanostructured ammonium hydrogen sulphate compared to bulk NH4H… Show more
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