Coexistence of conducting and magnetic electrons based on molecular π-electrons in the supramolecular conductor (Me-3,5-DIP)[Ni(dmit)2]2
Coexistence of conducting and magnetic electrons based on molecular π-electrons in the supramolecular conductor (Me-3,5-DIP)[Ni(dmit)2]2
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DOI：
10.1021/ja0687825
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发表时间：
2007-03-21
影响因子：
15
通讯作者：
Kato, Reizo
中科院分区：
文献类型：
--
作者：
Kosaka, Yosuke;Yamamoto, Hiroshi M.;Kato, Reizo
通过电化学氧化制备的超分子导体(Me-3,5-DIP)[Ni(dmit)(2)](2)由两个晶体学独立的Ni(dmit)(2)阴离子层(层I和层II)组成。紧束缚带计算表明，第一层处于莫特绝缘状态，包括局部自旋，第二层显示二维金属传导。 Ni(dmit)(2) 阴离子的两个对比分子π电子的共存通过电阻率和磁化率测量得到证明。
The supramolecular conductor (Me-3,5-DIP)[Ni(dmit)(2)](2), which was prepared by electrochemical oxidation, consists of two crystallographically independent layers of Ni(dmit)(2) anions (Layers I and II). The tight-binding band calculation suggests that Layer I is in a Mott insulating state to include localized spins, and Layer II displays two-dimensional metallic conduction. The coexistence of the two contrastive molecular pi-electrons of Ni(dmit)(2) anions is evidenced by electrical resistivity and magnetic susceptibility measurements.