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Towards the preparation of organic ferroelectric composites: fabrication of a gamma-glycine-bacterial cellulose composite via cold sintering process
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Document Title
Towards the preparation of organic ferroelectric composites: fabrication of a gamma-glycine-bacterial cellulose composite via cold sintering process
Author
Noisak J., Charoonsuk T., Pongampai S., Pinpru N., Pakawanit P., Vittayakorn W., Maluangnont T., Chiu T.-W., Vittayakorn N.
Affiliations
Advanced Materials Research Unit, School of Science, King Mongkut's Institute of Technology Ladkrabang, Bangkok, 10520, Thailand; Department of Chemistry, School of Science, King Mongkut's Institute of Technology Ladkrabang, Bangkok, 10520, Thailand; Department of Materials Science, Faculty of Science, Srinakharinwirot University, Sukhumvit 23, Wattana, Bangkok, 10110, Thailand; Department of Physics, Faculty of Science, King Mongkut's University of Technology Thonburi, Bangkok, 10140, Thailand; Nanohybrids and Innovation Coating (NHIC), National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathumthani, 12120, Thailand; Synchrotron Research and Applications Division, Synchrotron Light Research Institute, 111 University Avenue, Muang District, Nakhon Ratchasima, 30000, Thailand; Electroceramics Research Laboratory, College of Materials Innovation and Technology, King Mongkut's Institute of Technology Ladkrabang, Bangkok, 10520; Department of Materials and Mineral Resources Engineering, National Taipei University of Technology, Taipei, 106, Taiwan
Type
Article
Source Title
Journal of Materials Research and Technology
ISSN
22387854
Year
2023
Volume
25
Page
4749-4760
Open Access
All Open Access, Gold
Publisher
Elsevier Editora Ltda
DOI
10.1016/j.jmrt.2023.06.259
Format
Abstract
The cold sintering process (CSP) has emerged as a revolutionary technique for low-temperature processing of ceramics and composites, enabling high-density fabrication at low temperatures. In this study, we demonstrated the implementation of CSP in fabricating the ?-glycine (?-G)-bacterial cellulose (BC) composite and evaluated the effect of sintering temperature and holding time on the microstructure and electrical properties. Our findings revealed that an increase in sintering temperature and holding time leads to grain growth, as the transient solvent (water) facilitates the closely-packed microstructure. Moreover, the addition of BC as a filler into the ?-G matrix leads to a composite with a 10% increase in hardness when BC was uniformly distributed in ?-G. The composite with a relative density of 97% was successfully obtained at 120 ?C/24 h, preserving the ? polymorph of glycine without the unwanted transformation commonly observed with traditional sintering. We also reported the dielectric and ferroelectric properties of the ?-G-BC composite, exhibiting a remanent polarization of 0.004 ?C/cm2 and a coercive field of 1.201 kV/cm. Our findings suggest that CSP is a promising approach for low-temperature processing and fabrication of ceramics, especially when incorporating structurally sensitive filler such as organic ferroelectric, to achieve high-performance composites. ? 2023 The Author(s)
Keyword
License
CC BY
Rights
Authors
Publication Source
WOS