Assertion: cathode ray tube's emission | /r/HasProperty | tuned
Facets:
value: by substituting the cerium
type: MANNER
Source sentences:
text: The pale yellow emission of the Ce3+:YAG can be tuned by substituting the cerium with other rare-earth elements such as terbium and gadolinium and can even be further adjusted by substituting some or all of the aluminium in the YAG with gallium.