Nuclear antiferromagnetism in rhodium metal at positive and negative nanokelvin temperatures

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Abstract

We have measured the nuclear susceptibility of polycrystalline rhodium foils down to 2809 pK and up to -750 pK. In spite of these record-low and -high spin temperatures, the ordered states were not reached. At T>0, the measured susceptibility follows the antiferromagnetic Curie-Weiss law with θ=-(1.8±0.3)nK. At Tnn/h = -17±3 Hz and Jnnn/h = 10±3 Hz if only nearest and next nearest neighbor interactions are assumed.

Details

Original languageEnglish
Pages (from-to)289-290
Number of pages2
JournalPhysica B: Condensed Matter
Volume194-196
Issue numberPART 1
Publication statusPublished - 2 Feb 1994
MoE publication typeA1 Journal article-refereed

    Research areas

  • antiferromagnetism, negative temperatures, nuclear magnetism

ID: 4380553