Drawing Dispersion Curves: Band Structure Customization via Nonlocal Phononic Crystals

A Kazemi, KJ Deshmukh, F Chen, Y Liu, B Deng… - Physical Review Letters, 2023 - APS
Dispersion relations govern wave behaviors, and tailoring them is a grand challenge in
wave manipulation. We demonstrate the inverse design of phononic dispersion using …

Fully Polarized Topological Isostatic Metamaterials in Three Dimensions

Z Tang, F Ma, F Li, Y Yao, D Zhou - Physical Review Letters, 2024 - APS
Topological surface states are unique to topological materials and are immune to
disturbances. In isostatic lattices, mechanical topological floppy modes exhibit softness …

[HTML][HTML] Observation of maxon-like ultrasound in elastic metabeam

P Zhang, Y Liu, K Zhang, Y Wu, F Chen, Y Chen… - APL Materials, 2024 - pubs.aip.org
We observe maxon-like dispersion of ultrasonic guided waves in elastic metamaterials
consisting of a rectangular beam and an array of cylindrical resonators. The pillars act as …

Cell augmentation framework for topological lattices

M Charara, S Gonella - Physical Review B, 2023 - APS
Maxwell lattices are characterized by an equal number of degrees of freedom and
constraints. A subset of them, dubbed topological lattices, are capable of localizing stress …

A theoretical framework for physically-realizable kagome metamaterials and its implications on dualities and topological edge modes

W Jiao, H Shu, V Tournat - arXiv preprint arXiv:2410.04494, 2024 - arxiv.org
Since the discovery of topological modes in idealized ball-and-spring kagome lattices,
significant efforts have been devoted to realizing mechanical analogues of these ideal …

Nanoscale Imaging of Phonons and Reconfiguration in Topologically-Engineered, Self-Assembled Nanoparticle Lattice

C Qian, E Stanifer, Z Ma, B Luo, C Liu, L Yao… - arXiv preprint arXiv …, 2024 - arxiv.org
Topologically-engineered mechanical frames are important model constructs for
architecture, machine mechanisms, and metamaterials. Despite significant advances in …

Stress control in non-ideal topological Maxwell lattices via geometry

H Liu, S Sarkar, AN Arafat, E Stanifer, S Gonella… - arXiv preprint arXiv …, 2023 - arxiv.org
Topological mechanical metamaterials have demonstrated exotic and robust mechanical
properties which led to promising engineering applications. One of such properties is the …