Muon-spin-rotation and magnetization study of metal-organic magnets based on the dicyanamide anion

Th Jestädt, M. Kurmoo, S. J. Blundell, F. L. Pratt, C. J. Kepert, K. Prassides, B. W. Lovett, I. M. Marshall, A. Husmann, K. H. Chow, R. M. Valladares, C. M. Brown, A. Lappas

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15 Citations (Scopus)

Abstract

We report the results of a study of the metal-organic magnets MII[N(CN)2]2, where MII = Ni, Co and Mn, using bulk magnetization and muon-spin relaxation (μSR). Implanted muons are sensitive to the onset of long-range magnetic order in each of these materials and strong muon-spin relaxation is observed in the paramagnetic state due to low-frequency fluctuations of the electronic moments in the 109-1010 Hz range. The size of the muon-spin relaxation in the paramagnetic state can be related to the magnitude of the transition-metal-ion moment. Very strongly damped oscillations are observed below the magnetic transition temperature in Co[N(CN)2]2.

Original languageEnglish
Pages (from-to)2263-2270
Number of pages8
JournalJournal of Physics Condensed Matter
Volume13
Issue number10
DOIs
Publication statusPublished - 2001 Mar 12

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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