F centre in Solid state | Metal excess defect in NaCl | Frenkel defect animation
This is the Best Animation on you tube on Metal Excess Defect in NaCl Crystal .Due to Non Stoichiometry Defect , F-center are produced in NaCl Crystal when it is heated in Sodium (Na) vapour environment. Due to this Metal Excess Defect , NaCl Crystal acquire Yellow Color.
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