Diffraction experiments on GdCu2in using hot neutrons

M. Rotter, M. Doerr, M. Loewenhaupt, A. Lindbaum, K. Ziebeck, B. Beuneu

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Gd compounds with nonmagnetic partner elements are attractive probes for evaluating magnetic exchange interactions. In the Gd3+ ion the f-electrons have zero angular momentum with a spherical charge density. Therefore the crystal-field interaction is negligible. Compounds with one Gd atom per primitive unit cell deserve special interest because their magnetic anisotropy can be calculated from first principles provided the classical dipole-dipole interaction dominates. We investigated the magnetic structure of the Heusler compound GdCu2In by neutron diffraction and find a complex antiferromagnetic order. Using numerical methods it is possible to interpret the data within the dipolar model. A spin reorientation occurring just below the Néel temperature is inferred.

Original languageEnglish
Pages (from-to)e63-e66
JournalPhysica B: Condensed Matter
Volume350
Issue number1-3 SUPPL. 1
DOIs
Publication statusPublished - 15 Jul 2004
Externally publishedYes

Keywords

  • Dipolar anisotropy
  • Hot neutrons
  • Neutron diffraction

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