Superparamagnetism in Heterogeneous AgFe Thin Films - A Low Energy μSR Study

Timothy Jackson, Edward Forgan, Tanya Riseman, H Gluckler, E Morenzoni, T Prokscha, HP Weber, CH Neidermayer

Research output: Contribution to journalArticle

1 Citation (Scopus)


This paper describes a study of superparamagnetism in iron nanoclusters using low energy muSR, including for the first time zero field measurements, which yield an intrinsic nanocluster superparamagnetic relaxation rate of nu(0) = 67 +/- 15 MHz and an energy barrier of DeltaE = 37 +/- 4 K. TEM micrographs of the embedded clusters show there to be a range of shapes and also sizes, which is bourne out by SQUID magnetometry measurements.
Original languageEnglish
Pages (from-to)403-408
Number of pages6
JournalHyperfine Interactions
Publication statusPublished - 1 Jan 2001


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