Evolution of ferromagnetic circular dichroism coincident with magnetization and anomalous Hall effect in Co-doped rutile TiO2

H. Toyosaki, T. Fukumura, Y. Yamada, M. Kawasaki

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54 Citations (Scopus)

Abstract

Magnetic circular dichroism (MCD) of rutile Ti1-x Cox O2-δ is systematically examined with various x and δ to reveal a phase diagram for the appearance of ferromagnetism at higher carrier concentration and Co content. The phase diagram exactly matches with that determined from anomalous Hall effect (AHE). The magnetic field dependence of MCD also shows good coincidence with those of the magnetization and AHE. The coincidence of these independent measurements strongly suggests single and intrinsic ferromagnetic origin.

Original languageEnglish
Article number182503
Pages (from-to)1-3
Number of pages3
JournalApplied Physics Letters
Volume86
Issue number18
DOIs
Publication statusPublished - 2005 May 2

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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