Magnetic order and electronic phase diagrams of electron-doped copper oxide materials

Luke, G. M. ; Le, L. P. ; Sternlieb, B. J. ; Uemura, Y. J. ; Brewer, J. H. ; Kadono, R. ; Kiefl, R. F. ; Kreitzman, S. R. ; Riseman, T. M. ; Stronach, C. E. ; Davis, M. R. ; Uchida, S. ; Takagi, H. ; Tokura, Y. ; Hidaka, Y. ; Murakami, T. ; Gopalakrishnan, J. ; Sleight, A. W. ; Subramanian, M. A. ; Early, E. A. ; Markert, J. T. ; Maple, M. B. ; Seaman, C. L. (1990) Magnetic order and electronic phase diagrams of electron-doped copper oxide materials Physical Review B, 42 (13). pp. 7981-7988. ISSN 0163-1829

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Official URL: http://link.aps.org/doi/10.1103/PhysRevB.42.7981

Related URL: http://dx.doi.org/10.1103/PhysRevB.42.7981

Abstract

We report muon spin relaxation and rotation measurements on sintered ceramic samples of Nd2-xCexCuO4-y and a large single crystal of Nd2CuO4-y. We find an electronic phase diagram that is quite similar to that of hole-doped superconductors such as La2-xSrxCuO4-y, although the doping of electrons into the system is less efficient in destroying the static moments on the copper ions. Static magnetic order appears in Nd2CuO4-y below about 250 K; two spin reorientations are seen at T=75 and 35 K, providing information about the muon site in this material.

Item Type:Article
Source:Copyright of this article belongs to American Physical Society.
ID Code:12815
Deposited On:11 Nov 2010 08:51
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