H2N2V1, Main, Exploration, bibRecord, 000936

Solvent Responsive Magnetic Dynamics of a Dinuclear Dysprosium Single‐Molecule Magnet

Identifieur interne : 000936 ( Main/Exploration ); précédent : 000935; suivant : 000937

Solvent Responsive Magnetic Dynamics of a Dinuclear Dysprosium Single‐Molecule Magnet

Auteurs : Min Ren [République populaire de Chine] ; Song-Song Bao [République populaire de Chine] ; Norihisa Hoshino [Japon] ; Tomoyuki Akutagawa [Japon] ; Bingwu Wang [République populaire de Chine] ; Yu-Chen Ding [République populaire de Chine] ; Shiqiang Wei [République populaire de Chine] ; Li-Min Zheng [République populaire de Chine]

Source :

Chemistry – A European Journal [ 0947-6539 ] ; 2013-07-15.

RBID : ISTEX:F0191749FC4D8A95454396EBE1EB2FAD782CF069

Abstract

A new dysprosium(III) phosphonate dimer {Dy(notpH4)(NO3)(H2O)}2⋅8 H2O (1) [notpH6=1,4,7‐triazacyclononane‐1,4,7‐triyl‐tris(methylenephosphonic acid)] that contains two equivalent DyIII ions with a three‐capped trigonal prism environment is reported. Complex 1 can be transformed into {Dy(notpH4)(NO3)(H2O)}2 (2) in a reversible manner by desorption and absorption of solvent water at ambient temperature. This process is accompanied by a large dielectric response. Magnetic studies reveal that both 1 and 2 show thermally activated magnetization relaxation as expected for single‐molecule magnets. Moreover, the magnetic dynamics of the two compounds can be manipulated by controlling the number of solvent molecules at room temperature.

Under control! The magnetic dynamics of a dinuclear single‐molecule magnet {Dy(notpH4)(NO3)(H2O)}2⋅ 8 H2O (see figure; notpH6=1,4,7‐triazacyclononane‐1,4,7‐triyltris(methylenephosphonic acid)) can be manipulated by controlling the number of solvent molecules at room temperature.

Url:

https://api.istex.fr/ark:/67375/WNG-2VJP660J-0/fulltext.pdf

DOI: 10.1002/chem.201300497

Affiliations:

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Le document en format XML

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<front><div type="abstract" xml:lang="en">A new dysprosium(III) phosphonate dimer {Dy(notpH4)(NO3)(H2O)}2⋅8 H2O (1) [notpH6=1,4,7‐triazacyclononane‐1,4,7‐triyl‐tris(methylenephosphonic acid)] that contains two equivalent DyIII ions with a three‐capped trigonal prism environment is reported. Complex 1 can be transformed into {Dy(notpH4)(NO3)(H2O)}2 (2) in a reversible manner by desorption and absorption of solvent water at ambient temperature. This process is accompanied by a large dielectric response. Magnetic studies reveal that both 1 and 2 show thermally activated magnetization relaxation as expected for single‐molecule magnets. Moreover, the magnetic dynamics of the two compounds can be manipulated by controlling the number of solvent molecules at room temperature.</div>
<div type="abstract" xml:lang="en">Under control! The magnetic dynamics of a dinuclear single‐molecule magnet {Dy(notpH4)(NO3)(H2O)}2⋅ 8 H2O (see figure; notpH6=1,4,7‐triazacyclononane‐1,4,7‐triyltris(methylenephosphonic acid)) can be manipulated by controlling the number of solvent molecules at room temperature.</div>
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Solvent Responsive Magnetic Dynamics of a Dinuclear Dysprosium Single‐Molecule Magnet

Solvent Responsive Magnetic Dynamics of a Dinuclear Dysprosium Single‐Molecule Magnet

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