Engineered domain configuration and piezoelectric energy harvesting in 0.7Pb(Mg 
                    1/3Nb 
                    2/3)O 
                    3-0.3PbTiO 
                    3 single crystals

Hyun Cheol Song; Chong Yun Kang; Seok Jin Yoon; Dae Yong Jeong

doi:10.1007/s12540-012-3018-y

Engineered domain configuration and piezoelectric energy harvesting in 0.7Pb(Mg _1/3Nb _2/3)O ₃-0.3PbTiO ₃ single crystals

Hyun Cheol Song, Chong Yun Kang, Seok Jin Yoon, Dae Yong Jeong

Research output: Contribution to journal › Article

3 Citations (Scopus)

Abstract

The performance of cantilever piezoelectric energy harvesters using three types of piezoelectric materials, relaxor ferroelectric 0.7Pb(Mg _1/3Nb _2/3)O ₃-0.3PbTiO ₃ (PMN-PT) single crystals oriented along the <110> and <001> directions, and a PZT-based ceramic, were investigated. The <110> and <001> oriented PMN-PT single crystals, which have a rhombohedral phase and spontaneous polarization along the <111> direction, presented electromechanical coupling factor k31's of 0.78 and 0.42, respectively. The cantilever-type energy harvester operated by 31 resonance mode generated a larger output power of 1.07 mW for the <110> oriented PMN-PT single crystal compared to those of the other materials. The effective electromechanical coupling factor of the piezoelectric energy harvester with the <110> oriented crystal also reached 0.25, not achievable with the other piezoelectric materials. These results demonstrate that the domain engineering of the piezoelectric single crystals can provide higher design flexibility for a tiny energy harvester.

Original language	English
Pages (from-to)	499-503
Number of pages	5
Journal	Metals and Materials International
Volume	18
Issue number	3
DOIs	https://doi.org/10.1007/s12540-012-3018-y
Publication status	Published - 2012 Jun 1
Externally published	Yes

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Keywords

Compression test
Crystal growth
Domain
Ferroelectric materials
Piezoelectric energy harvesting

ASJC Scopus subject areas

Condensed Matter Physics
Metals and Alloys
Mechanics of Materials
Materials Chemistry

Cite this

Song, H. C., Kang, C. Y., Yoon, S. J., & Jeong, D. Y. (2012). Engineered domain configuration and piezoelectric energy harvesting in 0.7Pb(Mg _1/3Nb _2/3)O ₃-0.3PbTiO ₃ single crystals. Metals and Materials International, 18(3), 499-503. https://doi.org/10.1007/s12540-012-3018-y

Engineered domain configuration and piezoelectric energy harvesting in 0.7Pb(Mg _1/3Nb _2/3)O ₃-0.3PbTiO ₃ single crystals. / Song, Hyun Cheol; Kang, Chong Yun; Yoon, Seok Jin; Jeong, Dae Yong.

In: Metals and Materials International, Vol. 18, No. 3, 01.06.2012, p. 499-503.

Research output: Contribution to journal › Article

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10.1007/s12540-012-3018-y