Induced magnetic moment by Mn doping in Nax Co1 - z Mnz O2 · y H2 O

Jiunn-Yuan Lin*, Y. J. Chen, C. J. Liu, J. S. Wang, C. P. Sun, H. D. Yang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Impurity effects on Nax CoO2 · y H2 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 μeff = 3.20 μB. The induced local moment could lead to magnetic pair-breaking and is likely to be responsible for the Tc suppression by Mn impurities in Nax Co1 - z Mnz O2 · y H2 O.

Original languageEnglish
Pages (from-to)E132-E133
Number of pages2
JournalJournal of Magnetism and Magnetic Materials
Volume310
Issue number2 SUPPL. PART 1
DOIs
StatePublished - 1 Mar 2007

Keywords

  • Cobaltate
  • Impurity effect
  • Magnetic moment
  • Superconducting order parameter

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