期刊
JOURNAL OF APPLIED PHYSICS
卷 126, 期 17, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.5117302
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资金
- National Natural Science Foundation of China (NSFC) [51602152, U1632122, 11774172]
Horizontal, single-dimensional, trianglelike poly(vinylidene fluoride-co-trifluoroethylene) (PVDF-TrFE) nanorods are prepared under lateral nanoconfinement induced by faceted m-plane sapphire surfaces. X-ray diffraction reciprocal space mappings reveal that the polymer contains polycrystalline ferroelectric beta-phase PVDF. Depolarizing fields induce different polarizations in polymer nanorods along the out-of-plane and in-plane directions. The differences are characterized using vector piezoresponse force microscopy. The depolarizing fields in the lateral PVDF-TrFE nanorods are further discussed in theory. Our results suggest that a nanofaceted m-plane sapphire can be an alternative template to induce the depolarizing fields for future nanosacle devices. Published under license by AIP Publishing.
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