Assertion: tellurium | /r/ObjectUse | used as doping agent
Facets:
value: for copper in semiconductor applications
type: TRANSITIVE-OBJECT
value: for silver
type: PURPOSE
value: for gold
type: PURPOSE
value: for tin
type: PURPOSE
Source sentences:
text: Tellurium can be used as a doping agent for gold, silver, tin, or copper in semiconductor applications .