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 SM ISO690:2012SINYAVSKII, Elerlanj, SOKOVNICH, S.. Low-dimensional systems: Intraband light absorption in quasi-two-dimensional systems in external electric and magnetic fields. In: Semiconductors, 1999, vol. 33, pp. 761-764. ISSN 1063-7826. DOI: https://doi.org/10.1134/1.1187777 |
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  Semiconductors |
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| Volumul 33 / 1999 / ISSN 1063-7826 | ||||||
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| DOI:https://doi.org/10.1134/1.1187777 | ||||||
| Pag. 761-764 | ||||||
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Intraband light absorption in parabolic quantum wells is studied with an electric field directed along the spatial quantization axis and a magnetic field parallel to the plane of the size-confined system. In such a geometry direct optical transitions between the quantum-well levels are possible, the peak light absorption coefficient reaches large values (∼3×102 cm-1), and the frequency of the absorption maximum depends on magnetic field strength. It is shown for the normal incidence of electromagnetic waves that the level of absorption decreases with increasing electric field strength and that it is incorrect to confine the calculations to the Born approximation in strong magnetic fields. |
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| Cuvinte-cheie defects, Molecular beam epitaxy, Ammonium Sulfide |
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