The antiferromagnetic form factor of La2NiO4

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Author(s)

  • C. Stassis
  • D. C. Johnston
  • T. C. Leung
  • J. Ye
  • B. N. Harmon
  • G. H. Lander
  • A. J. Schultz
  • C. K. Loong
  • J. M. Honig

Detail(s)

Original languageEnglish
Pages (from-to)4860-4862
Journal / PublicationJournal of Applied Physics
Volume69
Issue number8
Publication statusPublished - 1991
Externally publishedYes

Abstract

Neutron-diffraction techniques have been used to study the antiferromagnetic form factor of a La2NiO4 single crystal at 15 K. The antiferromagnetic form factor was obtained by measuring the integrated intensities of 16 magnetic reflections. A plateau is clearly seen at low Q (up to 3 Å-1) in the experimentally determined form factor, similar to those observed for La2CuO4 and Sr 2CuO2Cl2. As in the case of these latter compounds, the fit of the experimental data by a Ni2+ ionic form factor is not satisfactory. The experimental data are compared with a recent spin-polarized band calculation and with a covalency model.

Citation Format(s)

The antiferromagnetic form factor of La2NiO4. / Wang, X. L.; Stassis, C.; Johnston, D. C.; Leung, T. C.; Ye, J.; Harmon, B. N.; Lander, G. H.; Schultz, A. J.; Loong, C. K.; Honig, J. M.

In: Journal of Applied Physics, Vol. 69, No. 8, 1991, p. 4860-4862.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review