NMR spin-echo study on Co/Pd multilayers

H.A.M. de Gronckel, J.A.W. Derkx, K. Kopinga, W.J.M. Jonge, de

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Hyperfine field spectra of thin Co/Pd multilayers have been determined by spin echo NMR. The main contribution to the spectra seems to arise from Co ions in a polyerystalline FCC phase. For the layers with thinnest Co sublayer thickness the centre of the spectrum shifts to lower hyperfine fields upon decreasing Co sublayer thickness. This is attributed to a decrease of the magnetic moment caused by stretching of the Co "lattice" due to neighbouring Pd atmos. An analysis of the integrated intensity in the hyperfine field region 19 T to 22 T shows a loss of signal equivalent to about one layer of Co per sublayer.
Original languageEnglish
Pages (from-to)1095-1101
JournalHyperfine Interactions
Issue number1-4
Publication statusPublished - 1989

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