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Phase Relationships in ISO- and Aliovalent Analogues of La2CuO4: Implications for Superconductivity
Published online by Cambridge University Press: 26 February 2011
Abstract
In addition to the well known I4/mmm and Bmab phases, recent low temperature structural studies of certain T-type (K2NiF4-related) La2CuO4 analogues have revealed two additional structural modifications, one with Pccn and the other with P42/ncm symmetry. Via appropriate iso- and aliovalent substitution chemistry, regions of T-type phase field have been mapped out and the influence of these phase transitions on superconductivity studied.
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