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Does a magnetic barrier or a magnetic-electric barrier structure possess any spin polarization and spin filtering under zero bias? (2001)

Xu, H. Z. ; Okada, Y.

Woodbury, NY : American Institute of Physics (AIP)

Applied Physics Letters 79 (2001), S. 3119-3121

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ISSN: 1077-3118

Source: AIP Digital Archive

Topics: Physics

Notes: In this letter, we have clarified that there is no spin polarization and spin filtering in a magnetic barrier structure as well as in a magnetic–electric barrier structure using our explicit expressions for electron transmission probability. Our results are found to be contradictory to those of A. Majumdar [Phys. Rev. B 54, 11911 (1996)] and G. Papp and F. M. Peeters [Appl. Phys. Lett. 78, 2184 (2001)]. We have shown the significant spin polarization and spin filtering observed by these authors were caused by a mistake in their transmission probability. © 2001 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.1416167

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