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Theory of electrical spin injection: Tunnel contacts as a solution of the conductivity mismatch problem
Open accessAbstract
Theory of electrical spin injection from a ferromagnetic (FM) metal into a normal (N) conductor is presented. We show that tunnel contacts (T) can dramatically increase spin injection and solve the problem of the mismatch in the conductivities of a FM metal and a semiconductor microstructure. We also present explicit expressions for the spin-valve resistance of FM-T-N- and FM-T-N-T-FM-junctions with tunnel contacts at the interfaces and show that the resistance includes both positive and negative contributions (Kapitza resistance and injection conductivity, respectively).
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Cited by
Electronic spin transport and spin precession in single graphene layers at room temperature
Tombros, N., Jozsa, C., Popinciuc, M., Jonkman, H. T., & van Wees, B. J. (2007) · Nature · doi:10.1038/nature06037 · Cited by 2,369
Probing the Chiral Anomaly with Nonlocal Transport in Three-Dimensional Topological Semimetals
Parameswaran, S. A., Grover, T., Abanin, D. A., Pesin, D. A., & Vishwanath, A. (2014) · Physical Review X · doi:10.1103/physrevx.4.031035 · Cited by 442
Metadata
- Authors
- Rashba, E. I.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2000-12-15
- Volume
- 62
- Issue
- 24
- Pages
- R16267-R16270
- ISSN
- 0163-1829 (ISSN-L)
- 1095-3795
- OpenAlex
- W2023907781
- Cited by
- 1,251
- References
- 0
- FWCI
- 36.27
- Type
- journal article
- Language
- en
- Open access
- green
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- Rashba, E. I. (2000). Theory of electrical spin injection: Tunnel contacts as a solution of the conductivity mismatch problem. Physical Review B. https://doi.org/10.1103/physrevb.62.r16267
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