Silica Nanolattice

A silica nanolattice is a continuous three-dimensional framework of silica struts whose elements are nanoscale in thickness. In the source archive DNA-Silica dossier, the term refers specifically to the material reported by Michelson et al. in "High-strength, lightweight nano-architected silica": silica frameworks with approximately 4 to 20 nm thick elements, fabricated by self-assembly and silica templating of DNA origami nanolattices.

Reported properties

From the paper abstract reproduced in the dossier:

• Elements approximately 4–20 nm thick.
• Strong effects of lattice dimensions on yield strength (σy) and failure mode.
• Yield strengths "higher than those of any known engineering materials with similar mass density."
• A combination of lightweight and high-strength framework behavior attributed to "the robust coordination of the nanothin and strong silica elements."

The density qualifier — "with similar mass density" — is part of the claim. The comparison is density-normalized, not an absolute strength ranking across all materials.

Why the material is framed as a metamaterial

The abstract places continuous nanolattices within the class of Mechanical Metamaterials: materials whose superior strength-to-weight ratios "originate from their spatial architectures and nanoscale-sized elements possessing near-theoretical strength." The architecture, not the composition alone, produces the property.

Evidence

The reported mechanical properties come from In Situ Micro-Compression Testing. This is direct mechanical measurement rather than inference. However, the dossier reproduces only the abstract — no stress–strain curves, sample counts, or error bars are available from this source.

Caveat on the press framing

The ZME Science article quoted in the dossier converts the density-normalized comparison into "five times lighter yet four times stronger than steel." That multiplier is the press's phrasing; the paper's abstract does not state it. See DNA-Silica Claims vs. Evidence: The Press Multiplier, the Paper Abstract and the Patent List.