Induced magnetic moment by Mn doping in NaxCo1-zMnzO2 center dot yH(2)O

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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