TY - JOUR T1 - A multi-layer active elastic metamaterial with tuneable and simultaneously negative mass and stiffness JO - Smart Materials and Structures UR - https://eprints.whiterose.ac.uk/id/eprint/79762 UR - http://dx.doi.org/10.1088/0964-1726/23/7/075020 PY - 2014/06/12 AU - Pope SA AU - Laalej H ED - DO - DOI: 10.1088/0964-1726/23/7/075020 PB - IOP Publishing VL - 23 IS - 7 Y2 - 2025/11/29 ER -