Unconventional S=2 alternating chain realized by a metal-radical hybrid-spin approach

Unconventional S=2 alternating chain realized by a metal-radical hybrid-spin approach
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通过金属自由基混合自旋方法实现非常规S=2交替链

DOI：
10.1103/physrevb.93.115145
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发表时间：
2016
期刊：
Phys. Rev. B
影响因子：
--
通讯作者：
and Y. Hosokoshi
and Y. Hosokoshi
中科院分区：
--
文献类型：
--
作者：
H. Yamaguchi;Y. Shinpuku;Y. Kono;S. Kittaka;T. Sakakibara;M. Hagiwara;T. Kawakami;K. Iwase;T. Ono;and Y. Hosokoshi

文献摘要

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We demonstrate an advanced spin-system design using a hybrid spin consisting of a strongly coupled metal ion and verdazyl radical.Ab initiocalculation, magnetization, and ESR measurements evidenced the first realization of anferromagnetic-antiferromagnetic alternating chain with Ising anisotropy in a Mn-verdazyl complex[hfac = 1,1,1,5,5,5-hexafluoroacetylacetonate;o-Py-V = 3-(2-pyridyl)-1,5-diphenylverdazyl]. Furthermore, we find an anomalous change in magnetization at 1/4 of the saturation value, which is probably a manifestation of the quantum nature of the system.