Abstract
In x Ga1−x N/GaN multiple quantum wells (MQWs), composed of 28-Å In0.29Ga0.71N wells and 24-Å In0.23Ga0.77N wells, were grown by using metal-organic chemical vapor deposition. Temperaturedependent photoluminescence (PL) spectra showed that the energies of the two dominant peaks in the In x Ga1−x N/GaN MQWs decreased with increasing temperature. The electronic subband energies and the wavefunctions in the In x Ga1−x N/GaN MQWs were calculated by solving the Schrödinger equation in the 8-band envelope function approximation. The effects of the spontaneous polarization, strain and piezoelectric polarizations on the electronic structures of the In x Ga1−x N/GaN MQWs were examined to explain the PL data. The calculated interband transition energies from the ground electronic subbands to the ground hole subbands in In x Ga1−x N/GaN MQWs were in reasonable agreement with those obtained from the PL spectra.
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Kim, D.H., Kim, T.W., Lee, H.S. et al. Interband tansition and electronic structures in strained In x Ga1−x N/GaN multiple quantum well. Journal of the Korean Physical Society 62, 1668–1671 (2013). https://doi.org/10.3938/jkps.62.1668
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DOI: https://doi.org/10.3938/jkps.62.1668