Charge ordering in organic conductors and transition metal oxides
作者： Hitoshi Seo , Hidetoshi Fukuyama
DOI: 10.1016/S0921-5107(99)00043-4
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摘要: Abstract Theoretical studies based on Hartree approximation charge ordering phenomena induced by mutual Coulomb interaction are briefly reviewed for organic conductors and transition metal oxides, which share common features of the quarter-filling band. It has been indicated that there exists in general a competition between formation Mott insulator due to on-site together with dimerization disproportionation as Wigner crystal intersite interaction. Especially, ‘zigzag’ ordered state predicted NaV 2 O 5 , is consistent existing experimental results.
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