Assertion: germanium's electron | /r/CapableOf | leave hole
Facets:
value: behind
type: OTHER
value: in the valence band
type: LOCATION
Source sentences:
text: When a bond is broken, a free electron, along with a free hole, results, i.e., the electron possesses enough thermal energy to cross the bandgap to the conduction band, leaving behind a hole in the valence band.