anion vacancy

noun

A type of point defect in a crystal lattice, specifically categorized as part of a Schottky defect, which involves a pair of missing positive (cation) and negative (anion) ions to maintain charge neutrality, or as part of a Frenkel defect, where an ion moves to an interstitial site leaving a vacancy. If the vacancy is filled by an electron, it's known as an F-center (Farbzentrum), creating a color center.

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Meanings

nounanion vacancy (plural anion vacancies)

plural anion vacancies

  1. chemistryA type of point defect in a crystal lattice, specifically categorized as part of a Schottky defect, which involves a pair of missing positive (cation) and negative (anion) ions to maintain charge neutrality, or as part of a Frenkel defect, where an ion moves to an interstitial site leaving a vacancy. If the vacancy is filled by an electron, it's known as an F-center (Farbzentrum), creating a color center.
Cite this entry
APA

anion vacancy. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/anion%20vacancy

MLA

“anion vacancy.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/anion%20vacancy. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “anion vacancy,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/anion%20vacancy.

Source: anion vacancy on Wiktionary, CC BY-SA 4.0.