Magnetic transition in (formula presented) single crystals probed by neutron scattering in magnetic fields

A. Podlesnyak, Th Strässle, J. Schefer, A. Furrer, A. Mirmelstein, A. Pirogov, P. Markin, N. Baranov

Research output: Contribution to journalArticlepeer-review

Abstract

Single-crystal neutron diffraction was employed to study the magnetic transition in the pseudobinary Laves-phase compounds (formula presented) under external magnetic fields up to 4 T. The magnetic scattering amplitudes measured for the reflections to which either the localized (formula presented) Co moment solely contributes, give direct evidence that the onset of long-range magnetic order for both magnetic sublattices occurs at about the same temperature (formula presented) and 0.4, respectively. The magnetic-susceptibility and specific-heat data, obtained on the same specimens, were also measured. In agreement with the neutron-diffraction data the macroscopic measurements showed no multiple phase transitions as opposed to earlier measurements on powder samples, which are presented and discussed as well.

Original languageEnglish
Pages (from-to)1-4
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume66
Issue number1
DOIs
StatePublished - 2002
Externally publishedYes

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