Pressure-induced ferro- to antiferromagnetic transition in a purely organic compound, β-phase para-nitrophenyl nitronyl nitroxide

Masaki Mito, Tatsuya Kawae, Masaharu Takumi, Kiyofumi Nagata

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Abstract

A pressure-induced ferro- to antiferromagnetic transition in genuine organic compounds has been observed in the β-phase para-nitrophenyl nitronyl nitroxide crystal. The transition temperature (Formula presented) in the ferromagnetic state decreases as (Formula presented) for pressures (Formula presented) [(Formula presented)]. For (Formula presented) however, experiment demonstrates intrinsically the existence of an antiferromagnetic state as well as a pressure-induced enhancement of (Formula presented) with (Formula presented) The results are discussed within the context of theories derived from the unrestricted Hartree-Fock approximation.

Original languageEnglish
Pages (from-to)R14255-R14258
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume56
Issue number22
DOIs
Publication statusPublished - Jan 1 1997

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All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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