20.500.12556/DiRROS-32403 Optical responses from high entropy alloys experimental results and perspectives Optical responses from high entropy alloys: experimental results and perspectives High-entropy alloys (HEAs) combine five or more elements in near-equiatomic ratios, opening an immense compositional space whose optical behaviour is still largely unknown. Phase-modulated ellipsometry on bulk CrMnFeCoNi (Cantor) shows that its intrinsic optical constants n, k, ε1, ε2 deviate strongly from the arithmetic mean of the constituent elements—by up to a factor of two beyond 1 µm—yet the derived functional responses, reflectance R and absorption coefficient α, are reproduced to within ~20 %. Cantor nanoparticles have been produced by nanosecond electric discharges in liquid nitrogen. Dark-field spectroscopy and Mie calculations reveal a dominant scattering mode near 100 nm that red-shifts and broadens with increasing size; the steady-state photothermal rise calculated from absorption cross-section σabs falls between those of the constituent pure metals.Generalising the averaging rule, we compute proxy values of R and α for 10 994 density-functional-theory-predicted HEAs. Successive optical, thermal and resource filters condense the space to 58 candidates at 355 nm and eight refractory alloys at 1064 nm, illustrating a “sustainable-by-design” route for future HEA photonics. high entropy alloys optical properties visokoentropijske zlitine optične lastnosti true false true The Royal Society of Chemistry Združeno kraljestvo Angleški jezik Slovenski jezik © 2026 The Author(s). Neznano 2026-09-10 09:38:00 2026-09-10 09:38:00 2026-09-11 03:36:24 0000-00-00 00:00:00 2026 0 0 Nasl. z nasl. zaslona; Soavtorji iz Slovenije: Juš Polanšek, Janez Zavašnik, Uroš Cvelbar; Opis vira z dne 12. 9. 2025; str. 474-493 Vol. 264 Feb. 2026 0000-00-00 Zaloznikova Objavljeno NiDoloceno 2025-05-19 2025-08-21 2025-09-01 620.1/.2 1364-5498 10.1039/D5FD00086F 248791811 https://pubs.rsc.org/en/content/articlelanding/2025/fd/d5fd00086f 1 cf55e495-acd9-11f1-92ee-001a4af901a5 https://dirros.openscience.si/Dokument.php?lang=slv&id=50685 RAZ_Nomine_Alexandre_2026.pdf RAZ_Nomine_Alexandre_2026.pdf 1 108DCA3F6818CCB6F07D9F19EBBD9E3F fcbe88d7c75936d31a69066250da29c8e851a572a3ac5188486d807ed5163732 9ce0aef9-acda-11f1-92ee-001a4af901a5 https://dirros.openscience.si/Dokument.php?lang=slv&id=50686 Institut Jožef Stefan 0 0 0