Ferromagnetism in a new Structural Phase of [Fe(C5Me5)2] [TCNQ]

William E. Broderick, Xiaohua Liu, Scott Owens, Paul M. Toscano, David M. Eichhorn, Brian M. Hoffman

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

The five integrated-stack chargetransfer salts [M(CsMe5)2] [TCNQ] (M=Mn, Cr) and [M(C5Mes)2] [TCNE] (M=Fe, Mn, Cr) are bulk ferromagnets, whereas [Fe(C5Me5)2] [TCNQ] was reported to exist as two different phases, a metamagnet and a paramagnet. We now report that with careful control of the crystallization conditions, it is possible to isolate a new structural phase of [Fe(C5Me5)2] [TCNQ] which is a bulk 3-D ferromagnet with Tc = 3.1 K. Thus [Fe(C5Me5)2] [TCNQ] is the first example of a single compound giving rise to three distinctly different magnetic phenomena, a finding that will permit an assessment of the subtle structural features that control magnetic ordering in this class of materials.

Original languageEnglish (US)
Pages (from-to)17-20
Number of pages4
JournalMolecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals
Volume273
Issue number1
DOIs
StatePublished - Nov 1995

ASJC Scopus subject areas

  • Condensed Matter Physics

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