Antiferromagnetic phase transition in Cd1-xMnxSe epilayers

T. M. Giebultowicz, P. Klosowski, Nitin Samarth, H. Luo, J. J. Rhyne, J. K. Furdyna

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17 Scopus citations

Abstract

Neutron-diffraction spectra of molecular-beam-epitaxy-grown single-crystal zinc-blende films of Cd1-xMnxSe reveals the onset of type-III antiferromagnetic ordering (AFM-III) for x=0.70 and 0.75 at a sharp Néel temperature. The AFM-III order is long range, with correlation lengths of around 400, and the transition is of second order. This contrasts sharply with earlier studies of bulk A1-xIIMnxBVI diluted magnetic semiconductors, where only short-range AFM-III correlations are observed, evolving gradually with decreasing temperature, and saturating at correlation length values less than 70.

Original languageEnglish (US)
Pages (from-to)2582-2585
Number of pages4
JournalPhysical Review B
Volume42
Issue number4
DOIs
StatePublished - Jan 1 1990

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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