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Current Induced Heat Generation in Ferromagnet-Quantum Dot-Ferromagnet System
Zhao, LL; Chen, Q; Zhang, YM; Zhao, LN
2015
发表期刊MATERIALS
卷号8期号:7页码:3854-3863
通讯作者赵丽娜
文章类型Article
摘要We study the heat generation in ferromagnet-quantum dot-ferromagnet system by the non-equilibrium Green's functions method. Heat generation under the influence of ferromagnet leads is very different compared with a system with normal metal leads. The significant effects in heat generation are caused by the polarization angle associated with the orientation of polarized magnetic moment of electron in the ferromagnetic terminals. From the study of heat generation versus source drain bias (Q-eV) curves, we find that the heat generation decreases as increases from 0 to 0.7. The heat generation versus gate voltage (Q-eV(g)) curves also display interesting behavior with increasing polarization angle . Meanwhile, heat generation is influenced by the relative angle of magnetic moment in the ferromagnetic leads. These results will provide theories to this quantum dot system as a new material of spintronics.
关键词heat generation ferromagnet terminals non-equilibrium Green's functions metamaterials
学科领域Materials Science
DOI10.3390/ma8073854
收录类别SCI ; EI
WOS类目Materials Science, Multidisciplinary
WOS记录号WOS:000359898300005
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228657
专题多学科研究中心
推荐引用方式
GB/T 7714
Zhao, LL,Chen, Q,Zhang, YM,et al. Current Induced Heat Generation in Ferromagnet-Quantum Dot-Ferromagnet System[J]. MATERIALS,2015,8(7):3854-3863.
APA Zhao, LL,Chen, Q,Zhang, YM,&Zhao, LN.(2015).Current Induced Heat Generation in Ferromagnet-Quantum Dot-Ferromagnet System.MATERIALS,8(7),3854-3863.
MLA Zhao, LL,et al."Current Induced Heat Generation in Ferromagnet-Quantum Dot-Ferromagnet System".MATERIALS 8.7(2015):3854-3863.
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