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C R A Catlow1, S M Tomlinson1, M S Islam1 and M Leslie1
Published under licence by IOP Publishing Ltd
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Citation C R A Catlow et al 1988 J. Phys. C: Solid State Phys. 21 L1085
DOI 10.1088/0022-3719/21/33/003
110 Total downloads
The authors consider various possible hole-coupling mechanisms in the high-Tc superconductor, doped La2CuO4. Negative-U processes are energetically unfavourable. It is possible that bipolaronic species may be stabilised when antiferromagnetic energies and coupling terms arising from the distortions of the CuO6 octahedra are taken into account.