Metal-organic framework of lanthanoid dinuclear clusters undergoes slow magnetic relaxation

Hikaru Iwami, Ryo Nakanishi, Yoji Horii, Keiichi Katoh, Brian K. Breedlove, Masahiro Yamashita

Research output: Contribution to journalArticle

Abstract

Lanthanoid metal-organic frameworks (Ln-MOFs) can adopt a variety of new structures due to the large coordination numbers of Ln metal ions, and Ln-MOFs are expected to show new luminescence and magnetic properties due to the localized f electrons. In particular, some Ln metal ions, such as Dy(III) and Tb(III) ions, work as isolated quantum magnets when they have magnetic anisotropy. In this work, using 4,4',4"-s-triazine-2,4,6-triyl-tribenzoic acid (H3TATB) as a ligand, two new Ln-MOFs, [Dy(TATB)(DMF)2] (1) and [Tb(TATB)(DMF)2] (2), were obtained. The Ln-MOFs contain Ln dinuclear clusters as secondary building units, and 1 underwent slow magnetic relaxation similar to single-molecule magnets.

Original languageEnglish
Article number81
JournalMaterials
Volume10
Issue number1
DOIs
Publication statusPublished - 2017 Jan 1

Keywords

  • Metal-organic frameworks
  • Single-molecule magnet

ASJC Scopus subject areas

  • Materials Science(all)

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