Giant Exchange Coupling Evidenced with a Magnetization Jump at 52 T for a Gadolinium-Nitroxide Chelate

Takuya Kanetomo, Takumi Kihara, Atsushi Miyake, Akira Matsuo, Masashi Tokunaga, Koichi Kindo, Hiroyuki Nojiri, Takayuki Ishida

研究成果査読

25 被引用数 (Scopus)

抄録

The Gd-radical complex [GdIII(hfac)3(6bpyNO)] (6bpyNO = 2,2′-bipyridin-6-yl tert-butyl nitroxide; Hhfac = 1,1,1,5,5,5-hexafluoropentane-2,4-dione) showed a magnetization jump at 52 T observed in a pulsed-field facility, corresponding to an exchange coupling constant of −17.4 K. Furthermore, hysteretic behavior due to a relatively slow magnetization reversal was recorded around 2 T. From the high-frequency EPR study, the exchange coupling between Gd and radical spins accompanies an anisotropic character, which is responsible for both the broad jump and the slow magnetization reversal.

本文言語English
ページ(範囲)3310-3314
ページ数5
ジャーナルInorganic Chemistry
56
6
DOI
出版ステータスPublished - 3月 20 2017
外部発表はい

ASJC Scopus subject areas

  • 物理化学および理論化学
  • 無機化学

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