Energy levels in quantum wells of nonparabolic semiconductors

Nag, B. R. ; Mukhopadhyay, S. (1993) Energy levels in quantum wells of nonparabolic semiconductors Physica Status Solidi B, 175 (1). pp. 103-112. ISSN 0370-1972

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/pssb.22...

Related URL: http://dx.doi.org/10.1002/pssb.2221750108

Abstract

Energy eigenvalues are given for quantum wells of the GaAs/GaAlAs, GaInAs/AlInAs, and InAs/GaAlSb systems, for widths ranging between 0.5 and 20 nm. The energy band nonparabolicity is shown to affect the values significantly particularly for wells with widths of about 2 nm. The InAs/GaAlSb wells are shown to have lowest energy levels with odd parity because of the negative effective mass in the barrier layer for energies below the mid-gap energy. Experiments are suggested for the detection of these levels.

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