A new explanation for negative thermal expansion – Physics Worldbig tee tech hubApril 8, 2026 Revealing how copper atoms shift under heat offers a blueprint for engineering materials with precisely controlled expansion Wavy layers (Courtesy:…
Excitonic negative refraction mediated by magnetic ordersbig tee tech hubJanuary 18, 2026 Withers, F. et al. Light-emitting diodes by band-structure engineering in van der Waals heterostructures. Nat. Mater. 14, 301–306 (2015).Article PubMed …
