The structure and magneto-optic properties of MnAl-based thin films

J. X. Shen, Roger D. Kirby, D. J. Sellmyer

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


We have measured the magnetization and magneto-optic Kerr rotation of sputtered thin films of Mn-Al-Cu ternary alloys over a wide composition range and for substrate temperatures between 25 and 450°C. Magnetization and x-ray diffraction measurements suggest that our films are a mixture of the ferromagnetic kappa (κ) phase of MnAl and a highly paramagnetic amorphous phase. Room-temperature magneto-optic measurements on these films show a saturation polar Kerr rotation of up to 0.12°with little wavelength dependence.

Original languageEnglish (US)
Pages (from-to)4929-4931
Number of pages3
JournalJournal of Applied Physics
Issue number9
StatePublished - 1990

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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