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Phase transition and dielectric relaxation of a mixed ferroelectric composite from cellulose nanoparticles and triglycine sulfate

Authors: 

Bich Dung Mai, Hoai Thuong Nguyen*

Source title: 
Ferroelectrics, 550: 141-150, 2019 (ISI)
Academic year of acceptance: 
2019-2020
Abstract: 

The work is devoted to the study on electrophysical properties of a novel ferroelectric composite consisting of triglycine sulfate (TGS) and cellulose nanoparticles at different composition weight ratios from 25 to 120 °C under a weak electric field at frequencies of 102–106 Hz. The obtained results indicated that an increase in cellulose concentration in the composite led to increasing the phase transition temperature by three to a few tens of degrees Celsius higher than those for single crystal TGS (+49 °C) and led to decreasing characteristic relaxation frequency of TGS inclusion in the studied frequency range.