Possible microscopic doping mechanism in Tl-2201

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X-ray absorption spectroscopy on oxygen-annealed, self-flux-grown single crystals of Tl2Ba2CuO6+δ suggests a microscopic doping mechanism whereby interstitial oxygens are attracted to copper substituted on the thallium site, contributing holes to both the planes and to these coppers, and typically promoting only one hole to the plane rather than two. These copper substituents would provide an i...

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ژورنال

عنوان ژورنال: Physica C: Superconductivity and its Applications

سال: 2010

ISSN: 0921-4534

DOI: 10.1016/j.physc.2009.10.056