Magnetic properties of FeAs single crystal

K. A. Ziq*, A. F. Salem

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


Magnetic measurements have been performed on FeAs single crystals and polycrystalline samples. Magnetic measurements revealed a very sharp spin-glass magnetic transition in self flux grown single crystal. The bifurcation point between zero field cooled (ZFC) and field cooled (FC) magnetization occurs at 130 K. Susceptibility of flux grown single crystals revealed ferromagnetic-type behavior in the temperature range 4-300 K, while single crystals grown by iodine transport vapor were non-magnetic revealed features associated with antiferromagnetic and spin wave characteristics. The shift in Raman lines reveled sharper peaks for the crystals grown by vapor transport method than that obtained for the flux grown crystals. The difference in the spectrum may indicate sharper distribution in the bonding strength between Fe and As ions in crystals grown by the iodine vapor transport method.

Original languageEnglish
Pages (from-to)1185-1188
Number of pages4
JournalJournal of Superconductivity and Novel Magnetism
Issue number4
StatePublished - Apr 2013

Bibliographical note

Funding Information:
Acknowledgements The authors would like to acknowledge the support provided by King Abdulaziz City for Science and Technology (KACST) through the Science & Technology Unit at King Fahd University of Petroleum & Minerals (KFUPM) for funding this work through project No. 11-ADV1631-04. as part of the National Science, Technology and Innovation Plan.


  • Hysteresis loops
  • Iron-based superconductors
  • Raman spectrum

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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