🌐EnglishEnglishDeutschEspañolFrançaisNederlandsTiếng Việt日本語EntityQ48995606· pop 5· linked from 40 articlesenergy gapforbidden energy state in solid state physicsAvailable in 5 languagesEspañol日本語CatalanTiếng Việtvia Wikidata sitelinks · CC0ConnectionselectronEntityInternational Standard Book NumberEntityCategoriesElectronic band structuresSuperconductivity