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  • Title: Magnetic breakdown in the electron-doped cuprate superconductor Nd(2-x)Ce(x)CuO4: the reconstructed Fermi surface survives in the strongly overdoped regime.
    Author: Helm T, Kartsovnik MV, Sheikin I, Bartkowiak M, Wolff-Fabris F, Bittner N, Biberacher W, Lambacher M, Erb A, Wosnitza J, Gross R.
    Journal: Phys Rev Lett; 2010 Dec 10; 105(24):247002. PubMed ID: 21231554.
    Abstract:
    We report on semiclassical angle-dependent magnetoresistance oscillations and the Shubnikov-de Haas effect in the electron-overdoped cuprate superconductor Nd(2-x)CexCuO4. Our data provide convincing evidence for magnetic breakdown in the system. This shows that a reconstructed multiply connected Fermi surface persists, at least at strong magnetic fields, up to the highest doping level of the superconducting regime.
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