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Ion saturation zone of the characteristics of the rf plasma, under a constant nitrogen flow of 0.3 sccm, and two different rf powers (circles) and (squares).
Low- (, gray narrow lines) and room-temperature (black lines) spectra for two equivalent as-grown samples, with and without a magnetic field during the QW growth.
AFM pictures for two equivalent as-grown epilayers, grown without (a) and with (b) a magnetic field applied. The vertical scale is .
(a) Increment of the low-temperature PL integrated as a function of RTA temperature for QWs grown with (squares) and without (circles) a magnetic field. (b) PL blueshift observed after annealing for the same QWs. The annealing time was 30 s in all cases.
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