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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Kubono, A. Murai, M. Tasaka, S. |
| Copyright Year | 2008 |
| Description | Author affiliation: Dept. Mater. Sci. & Eng., Shizuoka Univ., Hamamatsu (Kubono, A.; Murai, M.; Tasaka, S.) |
| Abstract | A simple dry process in vacuum was developed for the preparation of polyamide, polyimide, and polyurea thin films on the basis of the conventional vapor deposition technique; this method was termed vapor deposition polymerization (VDP). Pyroelectric and piezoelectric properties have been observed for the polyurea thin films prepared by the VDP method with a poling treatment. Instead of the above conventional poling method, we have proposed a new method, "surface energy poling". A polar structure can be constructed spontaneously in a thin film when a polar polymer is sandwiched between two materials with higher and lower surface energies. In this paper, we discuss piezoelectric behavior in nonpoled thin films of aromatic polyurea prepared by the VDP method, i.e., synthesized by simultaneous deposition of a diamine monomer and a diisocyanate monomer in vacuum without a conventional poling process. |
| Sponsorship | IEEE Dielectrics Electr. Insulation Soc. |
| File Size | 129188 |
| File Format | |
| ISBN | 9781424418503 |
| DOI | 10.1109/ISE.2008.4814049 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2008-09-15 |
| Publisher Place | Japan |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Polymer films Piezoelectric films Sputtering Chemical vapor deposition Temperature dependence Polyimides Pyroelectricity Surface treatment Substrates Glass |
| Content Type | Text |
| Resource Type | Article |
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