ringing gel

Also contains definition of: humming gel
https://doi.org/10.1351/goldbook.RT07529
Gel with energy dissipation in the acoustic frequency range.
Note:
A ringing @[email protected] is often a @[email protected] with a surfactant as a third component and has a composition within an @[email protected], one-phase region of its ternary phase diagram.
Source:
PAC, 2007, 79, 1801. 'Definitions of terms relating to the structure and processing of sols, gels, networks, and inorganic-organic hybrid materials (IUPAC Recommendations 2007)' on page 1808 (https://doi.org/10.1351/pac200779101801)