Assertion: semiconductor's hole | /r/HasProperty | created in the valence band
Facets:
Source sentences:
text: Similarly, Figure 2C shows that, when an atom with three outer electrons such as boron is substituted for a silicon atom, an additional electron is “accepted” to form four covalent bonds around the boron atom, and a positively charged hole is created in the valence band.
text: a positively charged hole is created in the valence band.