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Acoustic Metamaterials 2021
This Special Topic presents the most recent and advanced research on acoustic/elastic metamaterials and metasurfaces and their applications. The theoretical, numerical, and experimental research and analyses on these artificial materials, as well as the demonstration of their performances and potential applications, will be solicited, with the aim to inspire readers to generate new ideas and to broaden the understanding of this exciting and relevant topic.
Guest Editors: Johan Christensen, Michael R. Haberman, and Yan Pennec

Physics of Materials, Including Electrical, Thermal, Mechanical and Other Properties
Tubular phononic crystal sensor
Available to Purchase
A. Gueddida; Y. Pennec; V. Zhang; F. Lucklum; M. Vellekoop; N. Mukhin; R. Lucklum; B. Bonello; B. Djafari Rouhani
PERSPECTIVES
B. Deng; J. R. Raney; K. Bertoldi; V. Tournat
Physics of Devices and Sensors
Enhanced sensitivity of resonant liquid sensors by phononic crystals
Available to Purchase
Ralf Lucklum; Nikolay Mukhin
Physics of Materials, Including Electrical, Thermal, Mechanical and Other Properties
Optimal size design of Fabry–Pérot sound absorbers based on the loss equation
Available to Purchase
Guolin Xie; Xiaopeng Wang
Physics of Materials, Including Electrical, Thermal, Mechanical and Other Properties
An improved method for bandgap calculation of a locally resonant plate with multi-periodic of multiple degree-of-freedom resonators
Available to Purchase
Qiaojiao Li; Meiping Sheng
Physics of Materials, Including Electrical, Thermal, Mechanical and Other Properties
Evanescent surface acoustic waves in 1D viscoelastic phononic crystals
Available to Purchase
Shu-Yan Zhang (张书燕); Yan-Feng Wang (王艳锋); Yue-Sheng Wang (汪越胜)
Physics of Materials, Including Electrical, Thermal, Mechanical and Other Properties
Three-dimensional acoustic lensing with a bubbly diamond metamaterial
Available to Purchase
Maxime Lanoy; Fabrice Lemoult; Geoffroy Lerosey; Arnaud Tourin; Valentin Leroy; John H. Page
Emerging, Interdisciplinary, and Other Fields of Applied Physics
Acoustic coherent perfect absorber and laser modes via the non-Hermitian dopant in the zero index metamaterials
Available to Purchase
Zhongming Gu; Tuo Liu; He Gao; Shanjun Liang; Shuowei An; Jie Zhu
Physics of Materials, Including Electrical, Thermal, Mechanical and Other Properties
Antichiral edge states in an acoustic resonator lattice with staggered air flow
Available to Purchase
Letian Yu; Haoran Xue; Baile Zhang
TUTORIALS
Fuyin Ma; Chang Wang; Chongrui Liu; Jiu Hui Wu
Physics of Materials, Including Electrical, Thermal, Mechanical and Other Properties
Effective anisotropy of periodic acoustic and elastic composites
Available to Purchase
Vincent Laude; Julio Andrés Iglesias Martínez; Yan-Feng Wang; Muamer Kadic
PERSPECTIVES
Curtis Rasmussen; Li Quan; Andrea Alù
Emerging, Interdisciplinary, and Other Fields of Applied Physics
Craig W. Broadman; Christina J. Naify; Michael J. Lee; Michael R. Haberman
Physics of Materials, Including Electrical, Thermal, Mechanical and Other Properties
Nondispersive acoustic manipulation based on gradient curved waveguides
Available to Purchase
Lin Xu; Aoxin Wang; Xin Hu; Zilong Guo; Liang Lu; Meng Xiao
Emerging, Interdisciplinary, and Other Fields of Applied Physics
Multiple topological interface states in broadband locally resonant phononic crystals
Available to Purchase
Zhoufu Zheng; Jianfei Yin; Jihong Wen; Dianlong Yu
Physics of Materials, Including Electrical, Thermal, Mechanical and Other Properties
Unidirectional invisibility of an acoustic multilayered medium with parity-time-symmetric impedance modulation
Available to Purchase
Shuowei An; Tuo Liu; Shanjun Liang; He Gao; Zhongming Gu; Jie Zhu
Physics of Materials, Including Electrical, Thermal, Mechanical and Other Properties
Experimental evidence of a hiding zone in a density-near-zero acoustic metamaterial
Available to Purchase
M. Malléjac; A. Merkel; J. Sánchez-Dehesa; J. Christensen; V. Tournat; V. Romero-García; J.-P. Groby
Physics of Materials, Including Electrical, Thermal, Mechanical and Other Properties
Origami inspired phononic structure with metamaterial inclusions for tunable angular wave steering
Available to Purchase
Megan Hathcock; Bogdan-Ioan Popa; K. W. Wang
Soft Matter, Fluids, and Biophysics
Localization of ultrasound in 2D phononic crystal with randomly oriented asymmetric scatterers
Available to Purchase
Jyotsna Dhillon; Andrey Bozhko; Ezekiel Walker; Arup Neogi; Arkadii Krokhin
Physics of Materials, Including Electrical, Thermal, Mechanical and Other Properties
Real spin angular momentum and acoustic spin torque in a topological phononic crystal
Available to Purchase
Chenwen Yang; Yu-Tao Tan; Hong Chen; Jie Ren