Absence of static phase separation in the high-Tc cuprate $YBa_{2}Cu_{3}O_{6+y}$

We use 89Y NMR in $Y B a_{2} C u_{3} O_{6 + y}$ in order to evaluate with high sensitivity the distribution of hole content p in the CuO2 planes. For y=1 and y=0.6, this hole doping distribution is found narrow with a full width at half maximum smaller than Delta p=0.025. This rules out any large static phase separation between underdoped and optimally doped regions in contrast with the one observed by STM in Bi2212 and by NQR in LaSrCuO. This establishes that static electronic phase separation is not a generic feature of the cuprates.

Absence of static phase separation in the high-Tc cuprate $Y B a_{2} C u_{3} O_{6 + y}$

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Absence of static phase separation in the high-Tc cuprate $Y B a_{2} C u_{3} O_{6 + y}$

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Absence of static phase separation in the high-Tc cuprate YBa2Cu3O6+yYBa2​Cu3​O6+y​

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Absence of static phase separation in the high-Tc cuprate YBa2Cu3O6+yYBa2​Cu3​O6+y​

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Absence of static phase separation in the high-Tc cuprate $Y B a_{2} C u_{3} O_{6 + y}$

讲解博客

AI智能校验

Absence of static phase separation in the high-Tc cuprate $Y B a_{2} C u_{3} O_{6 + y}$

讲解博客

AI智能校验