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\nThe Schottky defect and its consequences \n

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\nThe Schottky defect and its consequences Ionic crystals of type A B exhibit a Schottky defect, where an equal number of anions and cations are absent from lattice sites to maintain electrical neutrality. This defect is present in highly...\nThe Schottky defect and its consequences
Ionic crystals of type A B exhibit a Schottky defect, where an equal number of anions and cations are absent from lattice sites to maintain electrical neutrality. This defect is present in highly ionic compounds with high coordination numbers and similar cations and anions. Examples include KCl, NaCl, AgBr, KBr, and CsCl.

A decrease in ions results in a decrease in volume and density, while electrical conductivity is slightly increased. When an ion moves away from its lattice site and occupies a hole, it creates a new hole, causing the charge to move in the opposite direction. This decreases the stability of the crystal, or its lattice energy. Examples of compounds with a Schottky defect include KCl, NaCl, AgBr, KBr, and CsCl.
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Media Length
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3:20
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Grade
9th - Higher Ed
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Subjects
Science
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Media Type
Instructional Videos
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Source:
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\nAudio Visual Representation of Chemistry\n\n
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Date
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2024
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Language
English
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For Teacher Use
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Fine Print: Educational Use
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Concepts

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anions, cations, ionic compounds, holes, mass, lattice energy
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schottky defect, ionic crystals, electrical neutrality, lattice sites, coordination numbers, decrease in volume, decrease in density, electrical conductivity, ion movement, hole creation, charge movement, crystal stability, frenkel defect, scotkey defect, cesium chloride, scottgate effect, potassium chloride, ionic crystal, crystal decreases, vacancy defect, crystal lattice, lattice, crystal, minus, vacancy, created, generally, loss, hole, cation, anion, number, decrease
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