Quadrupolar and Magnetic Interactions in Antiferroquadrupolar Ordering Compound DyB_2C_2 Studied by Y Dilution

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Author(s)

Abstract

In order to elucidate quadrupolar and magnetic interactions in the antiferroquadrupolar (AFQ) and antiferromagnetic (AFM) ordering compound DyB<SUB>2</SUB>C<SUB>2</SUB>, neutron diffraction experiments were performed on powdered and single-crystalline samples in addition to reexamination of specific heat and magnetization properties on the Y-diluted system Dy<SUB>1−<I>x</I></SUB>Y<I><SUB>x</SUB></I>B<SUB>2</SUB>C<SUB>2</SUB>. The results suggest that there is a percolation threshold at <I>x</I>=0.4–0.5 for the AFQ ordering. The broadening behavior of magnetic reflection peaks by the Y dilution suggests that the AFQ interaction is probably pseudo-one-dimensional with strong AFQ interactions along the <I>c</I>-axis and weak ferroquadrupolar interactions in the <I>c</I>-plane.

Journal

  • Journal of the Physical Society of Japan

    Journal of the Physical Society of Japan 73(6), 1554-1560, 2004-06-15

    The Physical Society of Japan (JPS)

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Codes

  • NII Article ID (NAID)
    110001974419
  • NII NACSIS-CAT ID (NCID)
    AA00704814
  • Text Lang
    ENG
  • Article Type
    Journal Article
  • ISSN
    00319015
  • NDL Article ID
    6973889
  • NDL Source Classification
    ZM35(科学技術--物理学)
  • NDL Call No.
    Z53-A404
  • Data Source
    CJP  CJPref  NDL  NII-ELS  J-STAGE 
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