期刊
APPLIED PHYSICS LETTERS
卷 95, 期 23, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3263714
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资金
- Army Research Office [W911NF-08-1-0067]
- NSF-IGERT [DGE-0221664]
- NSF [DGE0538476]
We report on the controlled local switching and imaging of local ferroelectric polarizations oriented perpendicular to the long axis of a lead zirconate titanate (PZT) nanotube. Piezoresponse force microscopy and ferroelectric piezoelectric hysteresis data indicate stable polarizations oriented along the radial, finite-thickness direction can be formed in a nanoshell geometry. The results of infrared spectroscopy and of the character of as-found polarizations are consistent with recent findings linking surface chemical environment to ferroelectric stability and to orientation of ferroelectric polarizations. (C) 2009 American Institute of Physics. [doi: 10.1063/1.3263714]
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