Cu-induced spin polarization in tris(8-hydroxyquinoline) aluminum

被引：0
|
作者：
Yuan, Huimin [1 ,2 ]
Wang, Fenggong [1 ]
Jiang, Feng [1 ]
Xie, Wanfeng [1 ]
Zhang, Xijian [1 ]
Pang, Zhiyong [1 ]
Han, Shenghao [1 ,3 ]
机构：
[1] Shandong Univ, Sch Phys, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
[2] Qilu Normal Univ, Coll Phys & Elect Engn, Jinan 250013, Peoples R China
[3] Shandong Univ, Sch Space Sci & Phys, Weihai 264209, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2015年 / 29卷 / 25-26期
关键词：
Tris(8-hydroxyquinoline) aluminum; spin polarization; electronic structure; density functional theory; ELECTRONIC-STRUCTURE; THIN-FILMS; STATE; 1ST-PRINCIPLES; COMPLEXES; ENERGY;
D O I：
10.1142/S0217979215420102
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Cu-induced spin polarization in tris(8-hydroxyquinoline) aluminum (Alq(3)) has been studied by first-principles calculation. The entanglement between an electron transfer from Cu to Alq(3) and a structural distortion of the Alq(3) molecule gives rise to a strong spin polarization in this originally nonmagnetic molecule Alq(3). The calculated total magnetic moment mainly resides on the Alq(3) molecule (0.6 mu B), while that on Cu is moderate (0.4 mu B). The finding of a spin polarization induced by the nonmagnetic element Cu is helpful for understanding of spin-related phenomenon in Alq(3) and potentially enabling future magnetic-metal-free organic spintronics.
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页数：7
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