基于镍氧立方烷的金属有机框架中的磁相变
Magnetic Phase Transitions in a Ni O -Cubane-Based Metal-Organic Framework.
作者信息
Nadeem Muhammad Arif, Ng Maggie Chai Cin, van Leusen Jan, Kögerler Paul, Stride John Arron
机构信息
Department of Chemistry, Quaid-i-Azam University, Islamabad, 45320, Pakistan.
School of Chemistry, University of New South Wales, Sydney, NSW, 2052, Australia.
出版信息
Chemistry. 2020 Jun 18;26(34):7589-7594. doi: 10.1002/chem.202000867. Epub 2020 May 14.
An unprecedented spin cluster-based network architecture {[Ni (pdaa)(OH) (H O)] (H pdaa=1,4-phenylene diacetic acid)}, comprising 1D linear chains of Ni ions crosslinked via Ni O 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.
一种前所未有的基于自旋簇的网络结构{[Ni(pdaa)(OH)(H₂O)] (H₂pdaa = 1,4-亚苯基二乙酸)}，由通过Ni-O立方烷交联的镍离子一维线性链组成，在水热条件下形成；这种三维配位网络在23.9 K时表现出磁有序，并且在2.8 K时可能与结构相变相关的第二个磁有序过程。
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