Spin-polarized tunneling through a ferromagnetic insulator

M. Kok; M. Kok; J.N. Beukers; Alexander Brinkman

doi:10.1063/1.3068643

Spin-polarized tunneling through a ferromagnetic insulator

M. Kok, M. Kok, J.N. Beukers, Alexander Brinkman

Faculty of Science and Technology

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

The polarization of the tunnel conductance of spin-selective ferromagnetic insulators is modeled, providing a generalized concept of polarization including both the effects of electrode and barrier polarization. The polarization model is extended to take additional non-spin-polarizing insulating layers into account. These additional tunnel barriers are found to have a large effect on the tunneling polarization, both positively and negatively, depending on the material parameters. The model is applied to spin-filter devices containing the promising spin filter material EuO

Original language	Undefined
Pages (from-to)	07C919-
Number of pages	3
Journal	Journal of Applied Physics
Volume	105
Issue number	7
DOIs	https://doi.org/10.1063/1.3068643
Publication status	Published - 2009

Keywords

IR-73743
METIS-259192

Access to Document

10.1063/1.3068643

Cite this

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AU - Beukers, J.N.

AU - Brinkman, Alexander

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N2 - The polarization of the tunnel conductance of spin-selective ferromagnetic insulators is modeled, providing a generalized concept of polarization including both the effects of electrode and barrier polarization. The polarization model is extended to take additional non-spin-polarizing insulating layers into account. These additional tunnel barriers are found to have a large effect on the tunneling polarization, both positively and negatively, depending on the material parameters. The model is applied to spin-filter devices containing the promising spin filter material EuO

AB - The polarization of the tunnel conductance of spin-selective ferromagnetic insulators is modeled, providing a generalized concept of polarization including both the effects of electrode and barrier polarization. The polarization model is extended to take additional non-spin-polarizing insulating layers into account. These additional tunnel barriers are found to have a large effect on the tunneling polarization, both positively and negatively, depending on the material parameters. The model is applied to spin-filter devices containing the promising spin filter material EuO

KW - IR-73743

KW - METIS-259192

U2 - 10.1063/1.3068643

DO - 10.1063/1.3068643

M3 - Article

SN - 0021-8979

VL - 105

SP - 07C919-

JO - Journal of Applied Physics

JF - Journal of Applied Physics

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