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A Uranium-Based UO(2)(+)–Mn(2+) Single-Chain Magnet Assembled trough Cation–Cation Interactions**
Single-chain magnets (SCMs) are materials composed of magnetically isolated one-dimensional (1D) units exhibiting slow relaxation of magnetization. The occurrence of SCM behavior requires the fulfillment of stringent conditions for exchange and anisotropy interactions. Herein, we report the synthesi...
Autores principales: | , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
WILEY-VCH Verlag
2014
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4232274/ https://www.ncbi.nlm.nih.gov/pubmed/24311434 http://dx.doi.org/10.1002/anie.201307366 |
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author | Mougel, Victor Chatelain, Lucile Hermle, Johannes Caciuffo, Roberto Colineau, Eric Tuna, Floriana Magnani, Nicola de Geyer, Arnaud Pécaut, Jacques Mazzanti, Marinella |
author_facet | Mougel, Victor Chatelain, Lucile Hermle, Johannes Caciuffo, Roberto Colineau, Eric Tuna, Floriana Magnani, Nicola de Geyer, Arnaud Pécaut, Jacques Mazzanti, Marinella |
author_sort | Mougel, Victor |
collection | PubMed |
description | Single-chain magnets (SCMs) are materials composed of magnetically isolated one-dimensional (1D) units exhibiting slow relaxation of magnetization. The occurrence of SCM behavior requires the fulfillment of stringent conditions for exchange and anisotropy interactions. Herein, we report the synthesis, the structure, and the magnetic characterization of the first actinide-containing SCM. The 5f–3d heterometallic 1D chains [{[UO(2)(salen)(py)][M(py)(4)](NO(3))}](n,) (M=Cd (1) and M=Mn (2); py=pyridine) are assembled trough cation–cation interaction from the reaction of the uranyl(V) complex [UO(2)(salen)py][Cp*(2)Co] (Cp*=pentamethylcyclopentadienyl) with Cd(NO(3))(2) or Mn(NO(3))(2) in pyridine. The infinite UMn chain displays a high relaxation barrier of 134±0.8 K (93±0.5 cm(−1)), probably as a result of strong intra-chain magnetic interactions combined with the high Ising anisotropy of the uranyl(V) dioxo group. It also exhibits an open magnetic hysteresis loop at T<6 K, with an impressive coercive field of 3.4 T at 2 K. |
format | Online Article Text |
id | pubmed-4232274 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2014 |
publisher | WILEY-VCH Verlag |
record_format | MEDLINE/PubMed |
spelling | pubmed-42322742014-12-15 A Uranium-Based UO(2)(+)–Mn(2+) Single-Chain Magnet Assembled trough Cation–Cation Interactions** Mougel, Victor Chatelain, Lucile Hermle, Johannes Caciuffo, Roberto Colineau, Eric Tuna, Floriana Magnani, Nicola de Geyer, Arnaud Pécaut, Jacques Mazzanti, Marinella Angew Chem Int Ed Engl Communications Single-chain magnets (SCMs) are materials composed of magnetically isolated one-dimensional (1D) units exhibiting slow relaxation of magnetization. The occurrence of SCM behavior requires the fulfillment of stringent conditions for exchange and anisotropy interactions. Herein, we report the synthesis, the structure, and the magnetic characterization of the first actinide-containing SCM. The 5f–3d heterometallic 1D chains [{[UO(2)(salen)(py)][M(py)(4)](NO(3))}](n,) (M=Cd (1) and M=Mn (2); py=pyridine) are assembled trough cation–cation interaction from the reaction of the uranyl(V) complex [UO(2)(salen)py][Cp*(2)Co] (Cp*=pentamethylcyclopentadienyl) with Cd(NO(3))(2) or Mn(NO(3))(2) in pyridine. The infinite UMn chain displays a high relaxation barrier of 134±0.8 K (93±0.5 cm(−1)), probably as a result of strong intra-chain magnetic interactions combined with the high Ising anisotropy of the uranyl(V) dioxo group. It also exhibits an open magnetic hysteresis loop at T<6 K, with an impressive coercive field of 3.4 T at 2 K. WILEY-VCH Verlag 2014-01-13 2013-12-06 /pmc/articles/PMC4232274/ /pubmed/24311434 http://dx.doi.org/10.1002/anie.201307366 Text en © 2014 The Authors. Published by Wiley-VCH Verlag GmbH & Co. KGaA. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. http://creativecommons.org/licenses/by/3.0/ This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Communications Mougel, Victor Chatelain, Lucile Hermle, Johannes Caciuffo, Roberto Colineau, Eric Tuna, Floriana Magnani, Nicola de Geyer, Arnaud Pécaut, Jacques Mazzanti, Marinella A Uranium-Based UO(2)(+)–Mn(2+) Single-Chain Magnet Assembled trough Cation–Cation Interactions** |
title | A Uranium-Based UO(2)(+)–Mn(2+) Single-Chain Magnet Assembled trough Cation–Cation Interactions** |
title_full | A Uranium-Based UO(2)(+)–Mn(2+) Single-Chain Magnet Assembled trough Cation–Cation Interactions** |
title_fullStr | A Uranium-Based UO(2)(+)–Mn(2+) Single-Chain Magnet Assembled trough Cation–Cation Interactions** |
title_full_unstemmed | A Uranium-Based UO(2)(+)–Mn(2+) Single-Chain Magnet Assembled trough Cation–Cation Interactions** |
title_short | A Uranium-Based UO(2)(+)–Mn(2+) Single-Chain Magnet Assembled trough Cation–Cation Interactions** |
title_sort | uranium-based uo(2)(+)–mn(2+) single-chain magnet assembled trough cation–cation interactions** |
topic | Communications |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4232274/ https://www.ncbi.nlm.nih.gov/pubmed/24311434 http://dx.doi.org/10.1002/anie.201307366 |
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