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张永梅

副教授 硕士生导师

招生学科专业:
物理学 -- 【招收硕士研究生】 -- 物理学院

性别:女

毕业院校:南京大学

学历:南京大学

学位:理学博士学位

所在单位:物理学院

办公地点:理学楼409

联系方式:youngmeizhang@163.com

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Study on spin filtering and switching action in a double-triangular network chain

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所属单位:理学院

发表刊物:INTERNATIONAL JOURNAL OF MODERN PHYSICS B

关键字:Double-triangular network spintronics spin filter spin switch transfer matrix

摘要:Spin transport properties of a double-triangular quantum network with local magnetic moment on backbones and magnetic flux penetrating the network plane are studied. Numerical simulation results show that such a quantum network will be a good candidate for spin filter and spin switch. Local dispersion and density of states are considered in the framework of tight-binding approximation. Transmission coefficients are calculated by the method of transfer matrix. Spin transmission is regulated by substrate magnetic moment and magnetic flux piercing those triangles. Experimental realization of such theoretical research will be conducive to designing of new spintronic devices.

ISSN号:0217-9792

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发表时间:2018-04-20

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