Influence of Cellulose Nanoparticles on Structure and Electrophysical Properties of Ferroelectrics

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  • Mai Bich Dung
    Institute of Biotechnology and Food Technology, Industrial University of Ho Chi Minh City
  • Nguyen Hoai Thuong
    Division of Computational Physics, Institute for Computational Science, Ton Duc Thang University Faculty of Electrical & Electronics Engineering, Ton Duc Thang University
  • Hoang Duc-Quang
    Faculty of Civil Engineering, Ton Duc Thang University

書誌事項

公開日
2019-12-01
DOI
  • 10.2320/matertrans.mt-m2019189
公開者
公益社団法人 日本金属学会

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説明

<p>In present work, a comparative study on electrophysical properties of two ferroelectric nanocomposites based on cellulose nanoparticles (CNP) mixed with Rochelle salt (RS) and sodium nitrite (NaNO2) at different composition mass ratios was conducted to clarify the influence of cellulose on dielectric properties of primitive ferroelectrics. The composites were carefully characterized XRD and FTIR techniques. The experiments were carried out in a wide temperature range under a weak electric field with an amplitude of 2 V/cm at 1 kHz. The obtained results revealed that at relatively high cellulose content, the phase transition temperature of Rochelle salt in the composite increased, while for sodium nitrite – decreased as compared to those of volume ferroelectrics. Besides, the higher the cellulose content was, the stronger the shift of phase transition point was observed. At small cellulose content, the Curie point characteristic for volume ferroelectrics occurred. The intermolecular hydrogen bonds and size effects were supposed to be responsible for the observed anomalies.</p>

収録刊行物

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 60 (12), 2499-2505, 2019-12-01

    公益社団法人 日本金属学会

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