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arxiv: 1304.0512 · v1 · pith:5NGESG5Cnew · submitted 2013-04-02 · ❄️ cond-mat.supr-con · cond-mat.str-el

Cu NQR and NMR Studies of Optimally Doped Ca2-xNaxCuO2Cl2

Y. Itoh , T. Machi , I. Yamada , M. Azuma , M. Takano This is my paper
classification ❄️ cond-mat.supr-con cond-mat.str-el
keywords ca2-xnaxcuo2cl2nuclearoptimallystudiesbroadcompositiondopedfrequency
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We report on Cu nuclear quadrupole resonance (NQR) and NMR studies of an optimally hole-doped superconductor Ca2-xNaxCuO2Cl2 (Tc ~ 28 K for x ~ 0.2). In spite of robust oxygen composition, we observed a multiple broad NQR frequency spectrum and nonexponential Cu nuclear spin-lattice relaxation, being similar to those of La2-xSrxCuO4-d.

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