2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/23272We report a pulsed EPR study of the phase relaxation of electron spins bound to phosphorus donors in isotopically purified 29^Si and natural abundance Si single crystals measured at 8 K.5 pages, 3 figuresMaterials ScienceQuantum PhysicsElectron spin phase relaxation of phosphorus donors in nuclear spin enriched silicontext