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Acta Physica Sinica, Volume. 69, Issue 13, 134302-1(2020)

Phononic band structure and figure of merit of three-dimensional anisotropic asymmetric double-cone pentamode metamaterials

Cheng-Xin Cai1,2,3、*, Shao-Geng Chen3, Xue-Mei Wang3, Jun-Yan Liang3, and Zhao-Hong Wang4
Author Affiliations
  • 1Key Laboratory of Grain Information Processing and Control (Henan University of Technology), Ministry of Education, Zhengzhou 450001, China
  • 2Henan Provincial Key Laboratory of Grain Photoelectric Detection and Control, Henan University of Technology, Zhengzhou 450001, China
  • 3College of Information Science and Engineering, Henan University of Technology, Zhengzhou 450001, China
  • 4School of Electronic and Information Engineering, Key Laboratory for Physical Electronics and Devices of the Ministry of Education, Xi’an Jiaotong University, Xi’an 710049, China
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    Figures & Tables(7)
    The unit cell structure of isotropy (a) and (b)−(e) anisotropic pentamode materials.

    Fig. 1. The unit cell structure of isotropy (a) and (b)−(e) anisotropic pentamode materials.

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    The band structure of pentamode material with .

    Fig. 2. The band structure of pentamode material with .

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    (a) The upper and lower edges and (b) relative bandwidth of the first phononic band gaps and single mode area of model 1.

    Fig. 3. (a) The upper and lower edges and (b) relative bandwidth of the first phononic band gaps and single mode area of model 1.

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    (a) The upper and lower edges and (b) relative bandwidth of the first phononic band gaps and single mode area of model 2.

    Fig. 4. (a) The upper and lower edges and (b) relative bandwidth of the first phononic band gaps and single mode area of model 2.

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    (a) The upper and lower edges and (b) relative bandwidth of the first phononic band gaps and single mode area of model 3.

    Fig. 5. (a) The upper and lower edges and (b) relative bandwidth of the first phononic band gaps and single mode area of model 3.

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    (a) The upper and lower edges and (b) relative bandwidth of the first phononic band gaps and single mode area of model 4.

    Fig. 6. (a) The upper and lower edges and (b) relative bandwidth of the first phononic band gaps and single mode area of model 4.

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    The influence of anisotropy on the figure of merit of asymmetric double-cone pentamode materials.

    Fig. 7. The influence of anisotropy on the figure of merit of asymmetric double-cone pentamode materials.

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    Cheng-Xin Cai, Shao-Geng Chen, Xue-Mei Wang, Jun-Yan Liang, Zhao-Hong Wang. Phononic band structure and figure of merit of three-dimensional anisotropic asymmetric double-cone pentamode metamaterials[J]. Acta Physica Sinica, 2020, 69(13): 134302-1

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    Paper Information

    Received: Mar. 12, 2020

    Accepted: --

    Published Online: Jan. 4, 2021

    The Author Email:

    DOI:10.7498/aps.69.20200364

    Topics

    Nuclear physics
    Particles and fields
    Particle and nuclear astrophysics and cosmology