Enhanced piezoelectric response of BaTiO3–KNbO3 composites
Applied Physics Letters Volume 99 Issue 20
Page 202902-
published_at 2011
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| File | |
| Title ( eng ) |
Enhanced piezoelectric response of BaTiO3–KNbO3 composites
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| Creator |
Fujii Ichiro
Shimizu Shigehito
Yamashita Kenta
Nakashima Kouichi
Kumada Nobuhiro
Fujikawa Yoshinori
Tanaka Daisuke
Furukawa Masahito
Wada Satoshi
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| Source Title |
Applied Physics Letters
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| Volume | 99 |
| Issue | 20 |
| Start Page | 202902 |
| Abstract |
The piezoelectric response of solvothermally synthesized BaTiO3 (BT)–KNbO3 (KN) composites (the nominal BT/KN ratio was 1) with distinct interfaces was investigated. The x-ray diffraction pattern showed two distinct peaks began to merge into a singular broad peak at a two-theta position between (200) and (002) tetragonal-related peaks of BT. The transmission electron microscopy observation showed a heteroepitaxial interface region between BT single-crystal particles and deposited KN crystals. The large-field piezoelectric constant was 136 pC/N, which was three times larger than that of a sintered 0.5BT–0.5KN composite. The enhanced piezoelectric response was attributed to the strained epitaxial interface region.
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| NDC |
Physics [ 420 ]
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| Language |
eng
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| Resource Type | journal article |
| Publisher |
American Institute of Physics
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| Date of Issued | 2011 |
| Rights |
(c) 2011 American Institute of Physics
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| Publish Type | Version of Record |
| Access Rights | open access |
| Source Identifier |
[ISSN] 0003-6951
[DOI] 10.1063/1.3662397
[NCID] AA00543431
[DOI] http://dx.doi.org/10.1063/1.3662397
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