English

4f spin density in the reentrant ferromagnet SmMn2Ge2

Condensed Matter 2009-10-31 v4
Authors: Joanne E. McCarthy , Jonathan A. Duffy , Carsten Detlefs , Malcolm J. Cooper , Paul Canfield
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Abstract

The spin contribution to the magnetic moment in SmMn2Ge2 has been measured by magnetic Compton scattering in both the low and high temperature ferromagnetic phases. At low temperature, the Sm site is shown to possess a large 4f spin moment of 3.4 +/- 0.1 Bohr magnetons, aligned antiparallel to the total magnetic moment. At high temperature, the data show conclusively that ordered magnetic moments are present on the samarium site.

Keywords

4f spin magnetic Compton scattering antiparallel alignment Bohr magnetons ferromagnetic phases

Cite

@article{arxiv.cond-mat/9911199,
  title  = {4f spin density in the reentrant ferromagnet SmMn2Ge2},
  author = {Joanne E. McCarthy and Jonathan A. Duffy and Carsten Detlefs and Malcolm J. Cooper and Paul Canfield},
  journal= {arXiv preprint arXiv:cond-mat/9911199},
  year   = {2009}
}

Comments

5 pages, 2 figures, transferred from PRL to PRB (Rapid Comm.)

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