Incommensurate-commensurate lock-in phase transition in EuAs3

T. Chattopadhyay*, K. D. Liss, T. Brückel

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


We have investigated the incommensurate-commensurate lock-in phase transition in EuAs3 by the relatively new resonant X-ray magnetic scattering technique. Strong resonance enhancements of the magnetic scattering have been observed at the LII and LIII absorption edges of Eu. The intensity of the 1, 0, 5/2 magnetic reflection of the commensurate phase decreases continuously with increasing temperature and at TL = 10.3 K drops abruptly to zero. Satellite reflections characteristic of the incommensurate phase appear at T ≥ TL. By using the excellent Q-resolution of the X-ray magnetic scattering experiment we have determined the temperature variation of both x and z components of the propagation vector of the incommensurate sine-wave phase stable in the temperature range 10.3 K ≤ T ≤ 11 K.

Original languageEnglish
Pages (from-to)1058-1060
Number of pages3
JournalJournal of Magnetism and Magnetic Materials
Issue numberPART 2
StatePublished - Jan 1998
Externally publishedYes


  • Incommensurate phase
  • X-ray magnetic scattering


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