Fernandez-Marin, Antonio A.; Jimenez, Noe; Groby, Jean-Philippe; Sánchez-Dehesa Moreno-Cid, José; Romero García, Vicente(American Institute of Physics, 2019-08-05)
[EN] The unusual viscoelastic properties of silica aerogel plates are efficiently used to design subwavelength perfect sound absorbers. We theoretically, numerically and experimentally report a perfect absorbing metamaterial ...