Crystallographic and magneto-optical studies of nanoscaled MnSb dots grown on GaAs

M. Mizuguchi, H. Akinaga, K. Ono, M. Oshima

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)

Abstract

MnSb ultrathin films with the nominal thickness of 0-1.40 nm were grown on sulfur passivated GaAs substrates by molecular beam epitaxy. Atomic force microscopy analysis showed that MnSb formed nanosize clusters on the substrate, and the coalescence of the clusters occurred at the nominal thickness between 0.70 and 1.05 nm. The intensity of the polar magnetic circular dichroism of MnSb clusters suddenly increased when the nominal thickness reached the critical value of 1.05 nm. The coalescence among the dots can be correlated with the sharp increase of the magnetic circular dichroism intensity.

Original languageEnglish
Pages (from-to)1743-1745
Number of pages3
JournalApplied Physics Letters
Volume76
Issue number13
DOIs
Publication statusPublished - 2000 Mar 27
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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