Enhancement of phase separation in light Cu-doped La2CuO4+δ system: evidence from TEM and magnetization measurements
1997
Abstract Cu-doped and undoped La 2 CuO 4+δ samples prepared under the same conditions have been investigated. It is distinctly shown that phase separation only exists in Cu-doped one, in which a stripe structure was observed at room temperature. This leads to a suggestion as that Cu doping may promote phase separation and the stripe structure is directly related to the phase separation.
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