Antiferromagnetic spin structure in the heavy-fermion compound YbNiAl

G. Ehlers, C. Geibel, F. Steglich, H. Maletta

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Neutron diffraction experiments have been performed in order to study the magnetic order of the heavyfermion compound YbNiAl. Below the Néel temperature at TA' = 2.9 K a sinusoidally modulated structure is found with an amplitude of the modulation of n = ( 1.9 ±Q.2)nn at T = 200 mK. The magnetic propagation vector is km = (rOO) with T = (0.779 ±0.001), and the magnetic Yb-moments are directed perpendicular to the hexagonal c-axis. The results obtained on YbNiAl are discussed in comparison to RNiAl compounds with other rare earth atoms R.

Original languageEnglish
Pages (from-to)393-395
Number of pages3
JournalZeitschrift für Physik B Condensed Matter
Volume104
Issue number3
DOIs
StatePublished - 1997
Externally publishedYes

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