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Coupled Membranes with Doubly Negative Mass Density and Bulk Modulus
Open accessAbstract
We present a structurally and conceptually simple acoustic double negative metamaterial comprising two coupled membranes. Owing to its symmetry, the system can generate both monopolar and dipolar resonances that are separately tunable, thereby making broadband double negativity possible. A homogenization scheme is implemented that enables the exact characterization of our metamaterial by the effective mass density and bulk modulus even beyond the usual long-wavelength regime, with the measured displacement fields on the sample's surfaces as inputs. Double negativity is achieved in the frequency range of 520-830 Hz. Transmission and reflection predictions using effective parameters are shown to agree remarkably well with the experiment.
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Cited by
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Yang, M., & Sheng, P. (2017) · Annual Review of Materials Research · doi:10.1146/annurev-matsci-070616-124032 · Cited by 616
Self-citationA Review of Acoustic Impedance Matching Techniques for Piezoelectric Sensors and Transducers
Rathod, V. T. (2020) · Sensors · doi:10.3390/s20144051 · Cited by 328
Acoustic Metamaterials: A Review of Theories, Structures, Fabrication Approaches, and Applications
Liao, G., Luan, C., Wang, Z., Liu, J., Yao, X., & Fu, J. (2021) · Advanced Materials Technologies · doi:10.1002/admt.202000787 · Cited by 267
Observation of acoustic valley vortex states and valley-chirality locked beam splitting
Ye, L., Qiu, C., Lu, J., Wen, X., Shen, Y., Ke, M., Zhang, F., & Liu, Z. (2017) · Physical Review B · doi:10.1103/physrevb.95.174106 · Cited by 136
Metadata
- Authors
- Yang, M., Ma, G., Yang, Z., & Sheng, P.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2013-03-28
- Volume
- 110
- Issue
- 13
- Pages
- 134301-134301
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W1988587062
- Cited by
- 344
- References
- 0
- FWCI
- 12.58
- Type
- journal article
- Language
- en
- Open access
- green
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