Relating to epitaxy, a process in materials science where a thin layer of crystal is grown on a crystal substrate, creating ordered atomic alignment.
From 'epitaxy' (from Greek 'epi' meaning 'upon' and 'taxis' meaning 'arrangement/order') plus the adjectival suffix '-ial.' The term emerged in the 20th century as materials science developed.
Epitaxy is atomic matchmaking—scientists can literally grow ultra-thin crystal layers that mirror the exact atomic structure of the base crystal beneath, and this seemingly minor discovery revolutionized semiconductors, lasers, and modern electronics.
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