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Growth and Optical Properties of LixNa1-xBa12(BO3)7F4 Fluoride Borates with "Antizeolite" Structure

Tatyana B Bekker1,2, Sergey V Rashchenko1, Vladimir P Solntsev

  • 1Novosibirsk State University , 630090 Novosibirsk, Russia.

Inorganic Chemistry
|April 11, 2017
PubMed

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Lattice energy represents the energy released when gaseous cations and anions combine to form an ionic solid, reflecting the strength of electrostatic interactions within the crystal. This process is fundamentally governed by Coulombic attraction between oppositely charged ions, where the potential energy varies inversely with the interionic distance and directly with the product of ionic charges. As ions approach one another, the electrostatic energy becomes increasingly negative, indicating a...
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Non-stoichiometric defects refer to a type of defect in the crystal structure of a compound where the ratio of its constituent elements deviates from the ideal stoichiometric ratio. There are two main types of non-stoichiometric defects: metal excess defects and metal deficiency defects.Metal excess defects occur when there is a slight surplus of metal ions than what is required by the stoichiometric ratio of the compound. For example, heating a sodium chloride crystal in sodium vapor results...