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Journal article
Direct observation of two-step polarization reversal by an opposite field in a substrate-free piezoelectric thin sheet
Applied physics letters, v 94(13), p131101
30 Mar 2009
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Abstract
The domain switching behavior of a substrate-free lead magnesium niobate-lead titanate thin sheet by an opposite electric field (E) was examined by piezoresponse force microscopy. It is shown that the polarization reversal process involved two steps. First, the polarization switched from the initial normal direction to an in-plane direction at -E < 5 kV/cm. Second, at -E>5 kV/cm, the polarization was further switched from the in-plane direction to the opposite field direction. The preference of the in-plane polarization at -5 kV/cm was attributed to the thin-sheet geometry, which also manifested itself as a maximum in dielectric constant at the same field.
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Details
- Title
- Direct observation of two-step polarization reversal by an opposite field in a substrate-free piezoelectric thin sheet
- Creators
- Chun-Yi Hsieh - Natl Taiwan Univ, Dept Phys, Taipei 106, TaiwanYang-Fang Chen - Natl Taiwan Univ, Dept Phys, Taipei 106, TaiwanWan Y. Shih - Drexel UniversityQing Zhu - Drexel Univ, Dept Mat Sci & Engn, Philadelphia, PA 19104 USAWei-Heng Shih - Drexel Univ, Dept Mat Sci & Engn, Philadelphia, PA 19104 USA
- Publication Details
- Applied physics letters, v 94(13), p131101
- Publisher
- American Institute of Physics
- Number of pages
- 3
- Grant note
- National Institute of Biomedical Imaging and Bioengineering (NIBIB); United States Department of Health & Human Services; National Institutes of Health (NIH) - USA; NIH National Institute of Biomedical Imaging & Bioengineering (NIBIB) NSC94-2112-M-002-006 / National Science Council of Republic of China; Ministry of Science and Technology, Taiwan RO1EB00720-02 / National Institute of Health (NIH); United States Department of Health & Human Services; National Institutes of Health (NIH) - USA Nanotechnology Institute of Southeastern Pennsylvania
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- School of Biomedical Engineering, Science, and Health Systems; Materials Science and Engineering
- Web of Science ID
- WOS:000264888500001
- Scopus ID
- 2-s2.0-64149114873
- Other Identifier
- 991019167590704721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Physics, Applied