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Piezoelectricity in ZnO nanowires: A first-principles study
Open accessAbstract
Hexagonal [0001] nonpassivated ZnO nanowires with diameters up to 2.8nm are studied with density functional calculations. The authors find that ZnO nanowires have larger effective piezoelectric constant than bulk ZnO due to their free boundary. For ZnO nanowires with diameters larger than 2.8nm, the effective piezoelectric constant is almost a constant. Surprisingly, the effective piezoelectric constant in small ZnO nanowires does not depend monotonically on the radius due to two competitive effects. Moreover, the quantum confinement effect results in larger band gaps of bare ZnO nanowires compared to that of bulk ZnO.
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Cites
Self-interaction correction to density-functional approximations for many-electron systems
Perdew, J. P., & Zunger, A. (1981) · Physical Review B · doi:10.1103/physrevb.23.5048 · Cited by 20,887
Piezoelectric Nanogenerators Based on Zinc Oxide Nanowire Arrays
Wang, Z. L., & Song, J. (2006) · Science · doi:10.1126/science.1124005 · Cited by 7,922
Cited by
Dagdeviren, C., Joe, P., Tuzman, O. L., Park, K.-I., Lee, K. J., Shi, Y., Huang, Y., & Rogers, J. A. (2016) · Extreme Mechanics Letters · doi:10.1016/j.eml.2016.05.015 · Cited by 499
Emerging in‐plane anisotropic two‐dimensional materials
Li, L., Han, W., Pi, L., Niu, P., Han, J., Wang, C., Su, B., Li, H., Xiong, J., Bando, Y., et al. (2019) · InfoMat · doi:10.1002/inf2.12005 · Cited by 382
Metadata
- Authors
- Xiang, H. J., Yang, J., Hou, J. G., & Zhu, Q.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2006-11-27
- Volume
- 89
- Issue
- 22
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W1538635179
- Cited by
- 200
- References
- 2
- FWCI
- 4.99
- Type
- journal article
- Language
- en
- Open access
- green
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- Xiang, H. J., Yang, J., Hou, J. G., & Zhu, Q. (2006). Piezoelectricity in ZnO nanowires: A first-principles study. Applied Physics Letters. https://doi.org/10.1063/1.2397013
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