tunnelling magnetoresistance;
spin filtering barrier;
magnetic tunnelling junctions;
spin-orbit coupling;
D O I:
暂无
中图分类号:
O469 [凝聚态物理学];
学科分类号:
070205 ;
摘要:
We present theoretical calculations of spin transport in spin filtering magnetic tunnelling junctions based on the Landauer-Buttiker formalism and taking into account the spin-orbit coupling(SOC).It is shown that spin-flip scattering induced by SOC is stronger in parallel alignment of magnetization of the ferromegnet barrier(FB) and the ferromagnetic electrode than that in antiparallel case.The increase of negative tunnelling magnetoresistance with bias is in agreement with recent experimental observation.
机构:
City Univ Hong Kong, Dept Phys & Mat Sci, Kowloon, Hong Kong, Peoples R ChinaCity Univ Hong Kong, Dept Phys & Mat Sci, Kowloon, Hong Kong, Peoples R China
Liu, Jun-Feng
Chan, K. S.
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机构:
City Univ Hong Kong, Dept Phys & Mat Sci, Kowloon, Hong Kong, Peoples R ChinaCity Univ Hong Kong, Dept Phys & Mat Sci, Kowloon, Hong Kong, Peoples R China
Chan, K. S.
Wang, Jun
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机构:
Southeast Univ, Dept Phys, Nanjing 210096, Jiangsu, Peoples R ChinaCity Univ Hong Kong, Dept Phys & Mat Sci, Kowloon, Hong Kong, Peoples R China
机构:
Univ Sinu Elias Bechara Zainum, Fac Ciencias & Ingn, Cordoba 230002, ColombiaUniv Sinu Elias Bechara Zainum, Fac Ciencias & Ingn, Cordoba 230002, Colombia
Burgos, Rhonald
Warnes, J. H.
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机构:
Univ Tecnol Fed Parana, Dept Acad Fis, BR-86812460 Apucarana, PR, BrazilUniv Sinu Elias Bechara Zainum, Fac Ciencias & Ingn, Cordoba 230002, Colombia
Warnes, J. H.
De la Espriella, N.
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机构:
Univ Cordoba, Dept Fis, Grp GAMASCO, Carrera 6 76-103, Cordoba 230002, ColombiaUniv Sinu Elias Bechara Zainum, Fac Ciencias & Ingn, Cordoba 230002, Colombia