Pressure-induced sequential magnetic pole inversion and antiferromagnetic-ferromagnetic crossover in a trimetallic Prussian blue analogue

Lindsay Egan, Konstantin Kamenev, Dionisis Papanikolaou, Yasuhiro Takabayashi, Serena Margadonna

Research output: Contribution to journalArticlepeer-review

83 Citations (Scopus)

Abstract

The flexibility of the structure of Prussian blue analogues and its ability to incorporate a variety of competing magnetic interactions have allowed the design of mixed ferro-ferrimagnets, which span the whole spectrum of magnetic behavior, including the rare phenomenon of magnetization reversal in response to a change in temperature. Hydrostatic pressure is used here to induce multiple reversals of the direction of the spontaneous magnetization in the trimetallic Prussian blue analogue, Rb0.64Ni0.31Mn0.87[Fe(CN)6]·2.8H2O. Remarkably, the magnetic response is extremely sensitive to pressure, and the magnetization flips from positive to negative and back to positive in a very narrow pressure range (0 < P < 0.6 kbar). A further increase in pressure to 4.0 kbar induces an internal redox reaction, and the magnetic order switches from ferrimagnetic to bulk ferromagnetism.

Original languageEnglish
Pages (from-to)6034-6035
Number of pages2
JournalJournal of the American Chemical Society
Volume128
Issue number18
DOIs
Publication statusPublished - 2006 May 10

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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