Subject

Materials science

Research, reviews and commentary in materials science.

Physics Chemistry Astronomy and planetary science Mathematics and computing

3 articles

Article Open access 25 Sep 2026

Millisecond spin coherence at room temperature in a layered magnet

Spin defects hosted in a two-dimensional magnet stay quantum-coherent for more than a millisecond under ambient conditions, pointing to thin, integrable quantum sensors.

Sun-hee Becker, Diego Raman … Carlos Haddad

Lumen 3, 1–9 (2026)

Article Open access 19 Jun 2026

Ultralight mechanical metamaterials with tunable negative thermal expansion

3D-printed lattices that shrink when heated could keep precision instruments stable in harsh thermal environments.

Jonas Lindqvist, Tariq Raman … Chloe Adeyemi

Lumen 3, 106–116 (2026)

Article Open access 25 Mar 2026

Copper–tin electrocatalysts convert nitrate to ammonia at industrial current densities

A bimetallic catalyst turns a common water pollutant into ammonia with high selectivity, offering a low-carbon alternative to the Haber–Bosch process.

Fatima Adeyemi, Tariq Garcia … Yuki Haugen

Lumen 3, 153–162 (2026)