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Title
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Oscillating magnetoresistance in diluted magnetic semiconductor barrier structures
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Author
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Abstract
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| Ballistic spin polarized transport through diluted magnetic semiconductor single and double barrier structures is investigated theoretically using a two-component model. The tunneling magnetoresistance (TMR) of the system exhibits oscillating behavior when the magnetic field is varied. An interesting beat pattern in the TMR and spin polarization is found for different nonmagnetic semiconductor/diluted magnetic semiconductor double barrier structures which arises from an interplay between the spin-up and spin-down electron channels which are split by the s-d exchange interaction. |
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Language
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English
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Source (journal)
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Physical review : B : condensed matter and materials physics. - Lancaster, Pa, 1998 - 2015
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Publication
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Lancaster, Pa
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2002
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ISSN
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1098-0121
[print]
1550-235X
[online]
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DOI
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10.1103/PHYSREVB.65.115209
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Volume/pages
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65
:11
(2002)
, 5 p.
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Article Reference
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115209
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ISI
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000174548400065
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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