Erratum to: Synthesis, Structural and Magnetic Properties of Polypyrrole Coated Ni0.2Ca0.8Fe2O4 Nanocomposite
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Erratum to: J Supercond Nov Magn (2012) 25:1921–1927 DOI 10.1007/s10948-012-1513-5
The original version of this article unfortunately contained mistakes. The values of “R Bragg=6.92, χ 2=8.67 in the text and χ 2=8.67 on Fig. 1a”, should be written as R Bragg=7.23, χ 2=8.79.
The authors would like to apologize for any inconvenience caused.