Abstract
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.
| Original language | English |
|---|---|
| Pages (from-to) | 2270-2274 |
| Number of pages | 5 |
| Journal | IEEE Transactions on Dielectrics and Electrical Insulation |
| Volume | 31 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - 2024 |
Keywords
- Bioelectret
- cold sintering
- glycinin
- soyabeans
- sustainable dielectrics
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