Magnetic properties of diluted magnetic semiconductors: A review (invited)

J. K. Furdyna, N. Samarth

Research output: Contribution to journalReview articlepeer-review

118 Scopus citations

Abstract

Diluted magnetic semiconductors (DMS) are semiconducting alloys containing a random distribution of substitutional magnetic ions (e.g., Mn+ + in Cd1-xMnxSe). Magnetic properties of DMS - such as spin glass behavior due to lattice frustration, magnon excitations in a random system of spins, superexchange, and short range antiferromagnetic order - are of considerable interest in their own right. In addition, understanding these properties is important because they strongly influence the electronic phenomena in DMS via the sp-d exchange interaction between the band electrons and the localized magnetic moments. We review the most recent results concerning magnetic susceptibility, Mn++-Mn++ nearest-neighbor exchange, and magnetic short-range order in these materials. On this basis, we can present a fairly complete and unified picture of magnetic properties of DMS. In addition, we point out some of the issues and challenges that lie ahead.

Original languageEnglish (US)
Pages (from-to)3526-3531
Number of pages6
JournalJournal of Applied Physics
Volume61
Issue number8
DOIs
StatePublished - 1987

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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