The DOI matches its Crossref record; 18 of the 18 references it cites were found in a registry or an index.
Large Piezoelectric Effect in Pb-Free Ceramics
Open accessAbstract
We report a non-Pb piezoelectric ceramic system $\mathrm{Ba}({\mathrm{Ti}}_{0.8}{\mathrm{Zr}}_{0.2}){\mathrm{O}}_{3}\mathrm{\text{\ensuremath{-}}}({\mathrm{Ba}}_{0.7}{\mathrm{Ca}}_{0.3}){\mathrm{TiO}}_{3}$ which shows a surprisingly high piezoelectric coefficient of ${d}_{33}\ensuremath{\sim}620\text{ }\text{ }\mathrm{pC}/\mathrm{N}$ at optimal composition. Its phase diagram shows a morphortropic phase boundary (MPB) starting from a tricritical triple point of a cubic paraelectric phase ($C$), ferroelectric rhombohedral ($R$), and tetragonal ($T$) phases. The high piezoelectricity of the MPB compositions stems from the composition proximity of the MPB to the tricritical triple point, which leads to a nearly vanishing polarization anisotropy and thus facilitates polarization rotation between $⟨001⟩T$ and $⟨111⟩R$ states. We predict that the single-crystal form of the MPB composition of the present system may reach a giant ${d}_{33}=1500--2000\text{ }\text{ }\mathrm{pC}/\mathrm{N}$. Our work may provide a new recipe for designing highly piezoelectric materials (both Pb-free and Pb-containing) by searching MPBs starting from a TCP.
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Jo, W., Dittmer, R., Acosta, M., Zang, J., Groh, C., Sapper, E., Wang, K., & Rödel, J. (2012) · Journal of Electroceramics · doi:10.1007/s10832-012-9742-3 · Cited by 964
A Critical Review of Machine Learning of Energy Materials
Chen, C., Zuo, Y., Ye, W., Li, X., Deng, Z., & Ong, S. P. (2020) · Advanced Energy Materials · doi:10.1002/aenm.201903242 · Cited by 609
Ultrahigh Piezoelectric Properties in Textured (K,Na)NbO3‐Based Lead‐Free Ceramics
Li, P., Zhai, J., Shen, B., Zhang, S., Li, X., Zhu, F., & Zhang, X. (2018) · Advanced Materials · doi:10.1002/adma.201705171 · Cited by 555
Recent Progress on BaTiO3-Based Piezoelectric Ceramics for Actuator Applications
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Self-citation
Metadata
- Authors
- Liu, W., & Ren, X.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2009-12-15
- Volume
- 103
- Issue
- 25
- Pages
- 257602-257602
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2024275681
- Cited by
- 2,764
- References
- 18
- FWCI
- 28.71
- Type
- journal article
- Language
- en
- Open access
- green
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