Nuclear antiferromagnetism in rhodium metal at positive and negative nanokelvin temperatures

P. J. Hakonen*, R. T. Vuorinen, J. E. Martikainen

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

27 Citations (Scopus)
104 Downloads (Pure)

Abstract

We have measured the dynamic susceptibility of polycrystalline rhodium foils down to 280 pK and up to -750 pK. These record-low and -high nuclear spin temperatures were reached by adiabatic demagnetization using initial polarizations of 83 and -60%. At T>0, the static susceptibility, integrated from NMR spectra, displays an antiferromagnetic Curie-Weiss law, with θ=-1.8±0.3 nK. At T

Original languageEnglish
Pages (from-to)2818-2821
Number of pages4
JournalPhysical Review Letters
Volume70
Issue number18
DOIs
Publication statusPublished - May 1993
MoE publication typeA1 Journal article-refereed

Keywords

  • antiferromagnetism
  • negative temperatures
  • nuclear ordering

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