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 SM ISO690:2012PETER, A.. Electron tunneling in an asymmetry heterostructure under the influence of both dresselhaus and rashba spin–orbit terms. In: Moldavian Journal of the Physical Sciences, 2010, nr. 3-4(9), pp. 291-298. ISSN 1810-648X. |
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| Moldavian Journal of the Physical Sciences | ||||||
| Numărul 3-4(9) / 2010 / ISSN 1810-648X /ISSNe 2537-6365 | ||||||
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| Pag. 291-298 | ||||||
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The problem of spin dependent electron transmission through an asymmetric
InAs/GaSb/InAs well is studied theoretically in order to investigate the output transmission current polarization at a zero magnetic field. Transparency of electron transmission is calculated as a
function of electron energy as well as the well width within the one electron band approximation
along with the spin orbit interaction. We predict that a spin-polarized current spontaneously
emerges in the absence of magnetic material and magnetic field. This phenomenon may offer a
novel way for generating a spin-polarized current, replacing the traditional spin-injection method.
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