The Hardest Magnet from a Coordination Polymer of Alternating Cobalt(II)–Radical Heterospins

The Hardest Magnet from a Coordination Polymer of Alternating Cobalt(II)–Radical Heterospins

A coordination polymer [Co(hfac)2·L] (L = o-ethoxyphenyl nitronyl nitroxide) was prepared, structurally characterized, and revealed to show a record coercive field of 54 kOe at 6 K. The magnetic easy axis was found to be perpendicular to the chain direction. Interchain dipolar coupling is important...

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Veröffentlicht in:Chemistry letters 2009-07, Vol.38 (7), p.740-741
Hauptverfasser: Okamura, Yoshitomo, Nogami, Takashi, Ishida, Takayuki
Format: Artikel
Sprache:eng
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Zusammenfassung:A coordination polymer [Co(hfac)2·L] (L = o-ethoxyphenyl nitronyl nitroxide) was prepared, structurally characterized, and revealed to show a record coercive field of 54 kOe at 6 K. The magnetic easy axis was found to be perpendicular to the chain direction. Interchain dipolar coupling is important for the bulk and/or single-chain properties in this series.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.2009.740