Magnetic ordering of Fe in NCH5-intercalated iron phosphate Fe(OH)PO4

C. C. Yang, S. Y. Wu, W. H. Li, K. C. Lee, J. W. Lynn, C. G. Wu

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The magnetic properties of a novel organic templated layered material FeOHPO4(NCH5) have been studied via AC magnetic susceptibility, DC magnetization, and neutron diffraction measurements. Temperature dependencies of both the in-phase and out-of-phase components of the AC magnetic susceptibility display a sharp peak at 30K, signifying the antiferromagnetic ordering of the Fe spins. Weak but definitive magnetic hysteresis was seen at temperatures below 30K, suggesting the existence of a weak ferromagnetic component. Neutron magnetic diffraction measurements reveal a canted antiferromagnetic structure, that gives rise to a weak net ferromagnetic moment, with TN≈30K and a saturated moment 〈μZ〉 = 3.35(5)μB for the Fe ions.

Original languageEnglish
Pages (from-to)240-245
Number of pages6
JournalPhysica B: Condensed Matter
Volume325
DOIs
StatePublished - Jan 2003

Keywords

  • Crystal and magnetic structures
  • Fe(OH)PO
  • Neutron diffraction
  • Organic compound

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