semiconducting material vs semiconductor unit

semiconducting material and semiconductor unit both are nouns.

Word	Noun	Adjective	Verb	Adverb
semiconducting material	Yes	No	No	No
semiconductor unit	Yes	No	No	No

semiconducting material (noun)	semiconductor unit (noun)
a substance as germanium or silicon whose electrical conductivity is intermediate between that of a metal and an insulator; its conductivity increases with temperature and in the presence of impurities	a conductor made with semiconducting material