One-dimensional lanthanide coordination polymers

Synthesis, structures, and single-ion magnetic behaviour

Hung Kai Feng, Po Jung Huang, Hui-Lien Tsai

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

A family of isostructural one-dimensional (1D) lanthanide compounds with the formula [LnIII(L)(NO3)(DMF)2], where Ln = Tb (1), Dy (2), Ho (3) and Er (4), was synthesised and structurally characterised. The magnetic behaviour of these compounds is demonstrated, and their static and dynamic properties are discussed and analyzed. The results of dc magnetic susceptibility measurements regarding compounds 1-4 indicate the existence of thermal depopulation of the crystal field-induced splitting of mJ levels of Ln ions, while the observed frequency-dependent out-of-phase ac magnetic susceptibility signals under certain magnetic fields for compounds 1, 2, and 4 show a slow relaxation of the magnetisation with an energy barrier of 6.15, 54.45, and 28.14 K, respectively. Also, complex 2 shows peak maxima of χM′′ signals in temperature-dependent as well as frequency-dependent ac magnetic susceptibility measurements under an appropriate magnetic field, indicating that the relaxation process is dominantly thermally activated. This journal is

Original languageEnglish
Pages (from-to)3764-3772
Number of pages9
JournalDalton Transactions
Volume44
Issue number8
DOIs
Publication statusPublished - 2015 Feb 28

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Lanthanoid Series Elements
Magnetic susceptibility
Polymers
Ions
Magnetic fields
Energy barriers
Relaxation processes
Magnetization
Crystals
Temperature

All Science Journal Classification (ASJC) codes

  • Inorganic Chemistry

Cite this

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abstract = "A family of isostructural one-dimensional (1D) lanthanide compounds with the formula [LnIII(L)(NO3)(DMF)2]∞, where Ln = Tb (1), Dy (2), Ho (3) and Er (4), was synthesised and structurally characterised. The magnetic behaviour of these compounds is demonstrated, and their static and dynamic properties are discussed and analyzed. The results of dc magnetic susceptibility measurements regarding compounds 1-4 indicate the existence of thermal depopulation of the crystal field-induced splitting of mJ levels of Ln ions, while the observed frequency-dependent out-of-phase ac magnetic susceptibility signals under certain magnetic fields for compounds 1, 2, and 4 show a slow relaxation of the magnetisation with an energy barrier of 6.15, 54.45, and 28.14 K, respectively. Also, complex 2 shows peak maxima of χM′′ signals in temperature-dependent as well as frequency-dependent ac magnetic susceptibility measurements under an appropriate magnetic field, indicating that the relaxation process is dominantly thermally activated. This journal is",
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One-dimensional lanthanide coordination polymers : Synthesis, structures, and single-ion magnetic behaviour. / Feng, Hung Kai; Huang, Po Jung; Tsai, Hui-Lien.

In: Dalton Transactions, Vol. 44, No. 8, 28.02.2015, p. 3764-3772.

Research output: Contribution to journalArticle

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AU - Huang, Po Jung

AU - Tsai, Hui-Lien

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