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Title: Complex magnetic ordering in CeFe 1.76 studied by neutron diffraction

Neutron diffraction measurements on a single crystal of CeGe 1.76 reveal a complex series of magnetic transitions at low temperature. At T N≈7 K, there is a transition from a paramagnetic state at higher temperature to an incommensurate magnetic structure characterized by a magnetic propagation vector (0 0 τ) with τ≈1/4 and the magnetic moment along the a axis of the orthorhombic unit cell. Below T LI≈5 K, the magnetic structure locks in to a commensurate structure with τ=1/4 and the magnetic moment remains along the a axis. Below T≈4 K, we find additional half-integer and integer indexed magnetic Bragg peaks consistent with a second commensurately ordered antiferromagnetic state.
 [1] ;  [2] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1]
  1. Ames Laboratory
  2. Oak Ridge National Laboratory
Publication Date:
OSTI Identifier:
Report Number(s):
IS-J 8528
Journal ID: ISSN 1098-0121; PRBMDO; ArticleNumber: 134423
DOE Contract Number:
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review. B, Condensed Matter and Materials Physics; Journal Volume: 90; Journal Issue: 13
American Physical Society (APS)
Research Org:
Ames Laboratory (AMES), Ames, IA (United States)
Sponsoring Org:
USDOE Office of Science (SC)
Country of Publication:
United States