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PEA measurement of low‐density polyethylene using spin‐coated P(VDF‐TrFE) film and acoustic propagation analysis based on viscoelasticity
Author(s) -
Ozaki Ryotaro,
Sanada Sota,
Ochi Kizuki,
Yudate Shinji,
Kadowaki Kazunori
Publication year - 2021
Publication title -
electronics and communications in japan
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.131
H-Index - 13
eISSN - 1942-9541
pISSN - 1942-9533
DOI - 10.1002/ecj.12292
Subject(s) - materials science , viscoelasticity , space charge , low density polyethylene , polyethylene , composite material , piezoelectricity , attenuation , spin coating , signal (programming language) , spin (aerodynamics) , thin film , optics , nanotechnology , physics , coating , electron , thermodynamics , quantum mechanics , computer science , programming language
Pulsed electroacoustic (PEA) space charge measurement of low‐density polyethylene using a spin‐coated poly(vinylidene fluoride‐trifluoroethylene) thin film is demonstrated. The space charge profile of a low‐density polyethylene film with a thickness of 150 μm is measured by PEA method. Compared with conventional 9 and 30‐μm piezoelectric films, the space charge profile obtained by the 3‐μm spin‐coated film shows better spatial resolution. Furthermore, acoustic attenuation of a PEA signal is also analytically studied using the Kelvin‐Voigt model for viscoelastic materials.

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