Title: Induced magnetic moment by Mn doping in NaxCo1-zMnzO2 center dot yH(2)O
Authors: Lin, J.-Y.
Chen, Y.-J.
Liu, C.-J.
Wang, J.-S.
Sun, C. P.
Yang, H. D.
物理研究所
Institute of Physics
Keywords: cobaltate;magnetic moment;impurity effect;superconducting order parameter
Issue Date: 1-Mar-2007
Abstract: Impurity effects on NaxCoO2 (.) yH(2)O are studied by Mn doping. Spectroscopic evidence reveals that the doped Mn ions occupy the Co sites and the valence is +4. The magnetic local moment induced by Mn doping was observed and mu(eff) 3: 20 mB. The induced local moment could lead to magnetic pair-breaking and is likely to be responsible for the Tc suppression by Mn impurities in Na(x)Co(1-z)MnzO(2) (.) yH(2)O. (c) 2006 Elsevier B. V. All rights reserved.
URI: http://dx.doi.org/10.1016/j.jmmm.2006.10.169
http://hdl.handle.net/11536/5146
ISSN: 0304-8853
DOI: 10.1016/j.jmmm.2006.10.169
Journal: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume: 310
Issue: 2
Begin Page: E132
End Page: E133
Appears in Collections:會議論文


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