A first principle numerical approach to spin dependent transport

Singh, Raj Kumar and Kumari, Mamta and Prasad, J N (2011) A first principle numerical approach to spin dependent transport. Journal of Metallurgy and Materials Science, 53 (3). pp. 275-287.

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The effects like magnetoresistance (MR) of a magnetic junction or efficiency of spin injection from ferromagnet (FM) into semiconductor (SC) are the manifestations of spin-dependent transport in complicated multilayered structures and arises due to the spin filtering at ferromagnetic and nonmagnetic metal layers (FM/NM) or ferromagnetic and nonmagnetic insulator (FM/I) or ferromagnet and semiconductor (FM/SC) interfaces. For accurate description of the electronic and structural properties of such interfaces as well as their bulk materials various numerical methods like Density Functional Theory (DFT), Tight Binding-Muffin Tin Orbitals (TB-MTO), Wave Function Matching (WFM), Landauer-Buttiker Approach (LBA) are in use. We review these numerical methods in this paper.

Item Type:Article
Official URL/DOI:http://eprints.nmlindia.org/cgi/users/home?screen=...
Uncontrolled Keywords:Magnetoresistance, Magnetic junction, Spin injection, Mumerical methods
Divisions:Material Science and Technology
ID Code:4788
Deposited On:10 Feb 2012 14:18
Last Modified:25 Apr 2013 17:03
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