Magnetic behavior of diluted lanthanoid-pnictide systems

L. F. Schneemeyer, R. B. Van Dover, E. M. Gyorgy

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We describe a new class of low-carrier-density magnetic materials based on lanthanide-substituted scandium and yttrium pnictides. In general, these III-V compounds have energy gaps in the vicinty of 1 eV, and like most of the lanthanide pnictides, form in the B1 (rocksalt) structure. Substitution of rare earths for Y or Sc to form solid solutions is readily achieved. For example, we have produced GdxY1-xN by reactive magnetron cosputtering, and obtained epitaxial growth on sapphire substrates resulting in high-quality single-crystal thin films. These films exhibit moderately low carrier densities and high mobilities, and have interesting magnetic properties at low temperatures. In this paper we present a preliminary look at some of the properties of these materials.

Original languageEnglish
Pages (from-to)3543-3545
Number of pages3
JournalJournal of Applied Physics
Issue number8
StatePublished - 1987


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