2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/86204Effects of orientational x-ray scattering have been experimentally examined in a film of vertically aligned multiwall carbon nanotubes (CNs). Additional contribution to the x-ray fluorescence intensity was revealed at angles close to the film normal. Theoretical considerations suggest the intensity enhancement to be caused by propagation of C K$_α$-radiation mainly along the channels of CNs.5 pages, 3 figuresOpticsGeneral Physicstext