A magnetic study of a layered lanthanide hydroxide family: Ln 8 (OH) 20 Cl 4 ·nH 2 O (Ln = Tb, Ho, Er)

Joana T. Coutinho, Claudia C. L. Pereira, Joaquim Marçalo, José J. Baldoví, Manuel E. Almeida, Bernardo Monteiro, Laura C. J. Pereira

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Abstract

Three layered lanthanide hydroxides (LLHs), with the general formula Ln 8 (OH) 20 Cl 4 ·nH 2 O (Ln = Tb (1), Ho (2), Er (3)), were prepared and magnetically characterized both as pure compounds and diluted within a yttrium diamagnetic matrix, LYH : xLn, LYH : 0.044Tb (1′), LYH : 0.045Ho (2′), and LYH : 0.065Er (3′). This study was complemented with theoretical calculations in order to understand the electronic configuration and the contributions to the slow relaxation behavior. In the pure compounds dominant 3D ferromagnetic interactions are observed, with a small magnetization hysteresis at 1.8 K for 1, while the magnetically diluted solid solutions display slow relaxation of magnetization at low temperatures.

Original languageEnglish
Pages (from-to)16211-16217
Number of pages7
JournalDalton Transactions
Volume47
Issue number45
DOIs
Publication statusPublished - 1 Jan 2018

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    Coutinho, J. T., Pereira, C. C. L., Marçalo, J., Baldoví, J. J., Almeida, M. E., Monteiro, B., & Pereira, L. C. J. (2018). A magnetic study of a layered lanthanide hydroxide family: Ln 8 (OH) 20 Cl 4 ·nH 2 O (Ln = Tb, Ho, Er). Dalton Transactions, 47(45), 16211-16217. https://doi.org/10.1039/c8dt03672a