Magnetic, Mössbauer, and resistivity studies of amorphous Fe 74Zr26 and Fe81Hf19 alloys

C. L. Chien, K. M. Unruh, A. Levy, S. H. Liou, J. P. Stokes, R. J. Gambino, K. Fukamichi

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Amorphous metal-metal samples of Fe74Zr26 and Fe 81Hf19 have been studied by bulk magnetic, Mössbauer spectroscopy and resistivity measurements. The values of TC have been determined to be 285 K and 295 K for Fe74Zr26 and Fe 81Hf19, respectively. Both the magnetic isotherms and Mössbauer measurements indicate that these samples are ferromagnetics. The isomer shifts and the quadrupole interactions are much smaller than those of amorphous Fe-metalloid systems. The P(H) are broad and extend to small H values. Negative temperature coefficients of the resistivity are observed at low temperatures followed by a resistivity minimum at temperatures slightly above room temperature. These results are significantly different from those of amorphous Fe-metalloid systems with comparable Fe contents.

Original languageEnglish (US)
Pages (from-to)2307-2309
Number of pages3
JournalJournal of Applied Physics
Issue number3
StatePublished - 1982
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy


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