Hema Dinesh Barnana;Charlie O’Mahony;Krittish Roy;Ehtsham Ul Haq;Syed A. M. Tofail
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Sustainable Dielectrics From Sintered Soyabean Powders: Structure, Thermal, and Piezoelectric Properties
In this work, we approached sintering and crystallization of soyabean powders with a “cold sintering” approach to develop a bioelectret for potential high-frequency communication applications. Structural disintegration and phase evolution of glycinin globulin proteins present in soyabean powders in relation to sintering parameters were investigated using X ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, and thermogravimetry analysis (TGA). Piezoresponse force microscopy (PFM) showed some localized area with weak (0.7 pm/V) to reasonable (2.7 pm/V) out of plane piezoresponse in cold pressed and sintered soyabeans, respectively. Sintered bioelectrets did not show any macroscopic piezoelectricity, however.
期刊介绍：
Topics that are concerned with dielectric phenomena and measurements, with development and characterization of gaseous, vacuum, liquid and solid electrical insulating materials and systems; and with utilization of these materials in circuits and systems under condition of use.
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