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arxiv: cond-mat/0610889 · v1 · submitted 2006-10-31 · ❄️ cond-mat.supr-con · cond-mat.str-el

Is La1.85Y0.15CuO4 an oxygen-doped cuprate superconductor?

W. Yu , B. Liang , P. Li , S. Fujino , T. Murakami , I. Takeuchi , R. L. Greene This is my paper
classification ❄️ cond-mat.supr-con cond-mat.str-el
keywords effectlycooxygen-dopedbandconditionscorrelatedcuo4cuprate
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We report resistivity, Hall effect, Nernst effect, and magnetoresistance measurements on T'-phase La1.85Y0.15CuO (LYCO) films prepared by pulsed laser deposition under different oxygen conditions. Our results show that superconductivity in LYCO originates from an oxygen-doped Mott-like insulator and not from a weakly correlated, half-filled band metal as proposed previously.

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