Abstract:electrostatic interaction will be too weak to influence this. In this case it would be expected that the Cu2+ will locate much closer to one27A1 to achieve some charge compensation. However, there is likely a distribution of Al-Al distances. At low exchange Cu2+ preferentially picks those sites with the shortest Al-Al distances since it must exchange for two monovalent ions. However, even these distances must be greater than about 1.0 nm (out of a 1,9-nm average) for no 27A1 modulation to be observed since the… Show more
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