Magnetic bistability and thermochromism in a molecular Cu(II) chain.
Magnetic bistability and thermochromism in a molecular Cu(II) chain.
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DOI:
10.1021/ic802292s
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发表时间:
2009-01
影响因子:
4.6
通讯作者:
F. Setifi;S. Benmansour;M. Marchivie;G. Dupouy;S. Triki;J. Sala-Pala;Jean-Yves Salaün;C. Gómez‐García;S. Pillet;C. Lecomte;E. Ruiz
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文献类型:
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作者:
F. Setifi;S. Benmansour;M. Marchivie;G. Dupouy;S. Triki;J. Sala-Pala;Jean-Yves Salaün;C. Gómez‐García;S. Pillet;C. Lecomte;E. Ruiz
An original magnetic bistability and a thermochromic transition are observed in a new Cu(II) molecular chain. Thermal structural studies reveal changes in the Cu(II) coordination sphere, driven by a more pronounced Jahn-Teller effect at low temperature. These distortions provoke a gradual color change. The structural study at 10 K shows a dimerization of the molecular chain, in agreement with the abrupt magnetic transition observed at 30 K.