Specific heat of Mn-doped NaxCoO2 center dot yH(2)O

Title:	Specific heat of Mn-doped NaxCoO2 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;specific heat;magnetic moment;impurity effect;superconducting order parameter
Issue Date:	1-Sep-2007
Abstract:	C(T) of NaxCo0.99Mn0.01O2 center dot yH(2)O is studied to reveal more details on the nature of the doped Mn ions and the T-c suppression. The extra specific heat contribution in NaxCo0.99Mn0.01O2 center dot yH(2)O manifests the induced local magnetic moment due to Mn doping. The absence of the superconducting transition peak in C(T) of NaxCo0.99Mn0.01O2 center dot yH(2)O suggests a reduced superconducting volume fraction. (C) 2007 Elsevier B.V. All rights reserved.
URI:	http://dx.doi.org/10.1016/j.physc.2007.03.285 http://hdl.handle.net/11536/4163
ISSN:	0921-4534
DOI:	10.1016/j.physc.2007.03.285
Journal:	PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
Volume:	460
Issue:
Begin Page:	475
End Page:	476
Appears in Collections:	Conferences Paper

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