Ruderman-Kittel-Kasuya-Yosida–like Ferromagnetism in [Formula presented]

Yu Jun Zhao, Tatsuya Shishidou, Arthur J Freeman

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


The nature and origin of ferromagnetism in magnetic semiconductors is investigated by means of highly precise electronic and magnetic property calculations on [Formula presented] as a function of the location of Mn sites in a large supercell. Surprisingly, the coupling is not always ferromagnetic (FM), even for large Mn-Mn distances. The exchange interaction between Mn ions oscillates as a function of the distance between them and obeys the Ruderman-Kittel-Kasuya-Yosida analytic formula. The estimated Curie temperature is in good agreement with recent experiments, and the estimated effective magnetic moment is about [Formula presented], in excellent agreement with the experimental values, [Formula presented].

Original languageEnglish
Number of pages1
JournalPhysical Review Letters
Issue number4
Publication statusPublished - Jan 1 2003

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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