Structural, electrical, and magnetic properties of Fe/Pd superlattices (abstract)

A. Boufelfel, R. M. Emrick, J. L. Makous, Charles M. Falco, Charles Majkrzak

Research output: Contribution to journalArticlepeer-review


We have made Fe/Pd superlattices with periodic modulation wavelength Λ ranging from 33.2 to 188.4 Å. Long‐range structural coherency is inferred from several x‐ray diffraction techniques. Fe and Pd were found to grow (110) and (111) parallel to the substrate, respectively. The in‐plane electrical resistivity was measured in the range 7.5–300 K by the four‐point probe method. The dependence of the resistivity on Λ will be explained by a model using interfacial scattering of electrons. Room‐temperature magnetic properties of the samples were measured using conversion electron Mössbauer spectroscopy and vibrating sample magnetometry. We found all the samples to be ferromagnetic. Both the intrinsic hyperfine magnetic field and the saturation magnetization show an increase as Λ decreases. We found that both of these physical quantities strongly depend on the number of atomic layers of (110) Fe in Λ. We did not find any induced magnetism in (111) Pd to within the experimental error. We determined the magnetic moment profile in the growth direction using neutron scattering.

Original languageEnglish (US)
Pages (from-to)3221
Number of pages1
JournalJournal of Applied Physics
Issue number8
StatePublished - Apr 15 1988

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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