High Energy Density Piezoelectric Ceramics for Energy Harvesting Devices
- Authors
- Seo, In-Tae; Cha, Yu-Joung; Kang, In-Young; Choi, Jae-Hong; Nahm, Sahn; Seung, Tae-Hyun; Paik, Jong-Hoo
- Issue Date
- Nov-2011
- Publisher
- WILEY
- Citation
- JOURNAL OF THE AMERICAN CERAMIC SOCIETY, v.94, no.11, pp.3629 - 3631
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF THE AMERICAN CERAMIC SOCIETY
- Volume
- 94
- Number
- 11
- Start Page
- 3629
- End Page
- 3631
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/167291
- DOI
- 10.1111/j.1551-2916.2011.04817.x
- ISSN
- 0002-7820
- Abstract
- The ceramics, (0.65 + y)Pb(Zr0.47Ti0.53)-(0.35 - y)Pb[(Ni1-x Zn-x)(1/3)Nb-2/3]O-3 have a morphotropic phase boundary (MPB) of pseudo-cubic and tetragonal structures. Their epsilon(T)(33)/epsilon(0) value considerably decreased on the pseudo-cubic side of the MPB composition, but the d(33) and k(p) slowly decreased on both sides of the MPB. Therefore, the maximum transduction coefficient (d(33) * g(33)) was obtained from the composition on the pseudo-cubic side of the MPB, because g33 is given by d(33)/epsilon(T)(33). This result could be applied to other systems containing an MPB of pseudo-cubic and tetragonal structures. Furthermore, a d(33) * g(33) value of 20 056 3 10(-15) m(2)/N, which is the highest value reported so far for polycrystalline ceramics, was obtained from the 0.68Pb(Zr0.47Ti0.53)O-3-0.32Pb(Ni0.6Zn0.4)(1/3)Nb2/3O3 ceramic.
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