Magnetic Phase Transitions in a Ni(4) O(4) -Cubane-Based Metal-Organic Framework.

Ni(4)O(4)-立方烷基金属有机框架中的磁相变

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作者:Nadeem Muhammad Arif, Ng Maggie Chai Cin, van Leusen Jan, Kögerler Paul, Stride John Arron
An unprecedented spin cluster-based network architecture {[Ni(II) (2) (pdaa)(OH)(2) (H(2) O)](n) (H(2) pdaa=1,4-phenylene diacetic acid)}, comprising 1D linear chains of Ni(II) ions crosslinked via Ni(4) O(4) cubanes, forms under hydrothermal conditions; this 3D coordination network exhibits magnetic ordering at 23.9†K as well as a second magnetic ordering process at 2.8†K likely associated with a structural phase transition.

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