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Bond-valence analysis of charge distribution in the spin ladders of [M2Cu2O3]m[CuO2]n-type cuprates with m = n = 1
1999
Philosophical Magazine Letters
Preserved Fulltext
The bond-valence-sum method is used to calculate the hole distribution in the spin ladders of [M2Cu2O3] m [CuO2] n -type cuprates with m = n = 1 (where M are divalent or trivalent cations). It is shown that the appearance of superconductivity in this system is related to hole transfer from chain planes to the spin-ladder plane. The role of the valency and size of the M atoms is discussed in detail.
doi:10.1080/095008399177237
fatcat:h5myu3r7onftbdarxpfrpw6b5m