Studies on the Magnetic Ground State of a Spin Möbius Strip

Graham N. Newton, Norihisa Hoshino, Takuto Matsumoto, Takuya Shiga, Motohiro Nakano, Hiroyuki Nojiri, Wolfgang Wernsdorfer, Yuji Furukawa, Hiroki Oshio

研究成果: Article査読

5 被引用数 (Scopus)

抄録

Here we report the synthesis, structure and detailed characterisation of three n-membered oxovanadium rings, Nan[(V=O)nNan(H2O)n(α, β, or γ-CD)2]⋅m H2O (n=6, 7, or 8), prepared by the reactions of (V=O)SO4⋅x H2O with α, β, or γ-cyclodextrins (CDs) and NaOH in water. Their alternating heterometallic vanadium/sodium cyclic core structures were sandwiched between two CD moieties such that O-Na-O groups separated the neighbouring vanadyl ions. Antiferromagnetic interactions between the S=1/2 vanadyl ions led to S=0 ground states for the even-membered rings, but to two quasi-degenerate S=1/2 states for the spin-frustrated heptanuclear cluster.

本文言語English
ページ(範囲)14205-14212
ページ数8
ジャーナルChemistry - A European Journal
22
40
DOI
出版ステータスPublished - 2016 9 26

ASJC Scopus subject areas

  • 触媒
  • 有機化学

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