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(a) Steady-state PL spectra from films, which were measured at 20 K. The PL spectra intensities are normalized. (b) PL emission energy and (c) PL FWHM dependencies on Cd content.
(a) TIPL spectra from films at 8 K and (b) slow component PL lifetime ( and ) dependency on photon energy. The open circles and the open triangles are and , respectively. The solid curves are the fitting results by using Eq. (1).
(a) Potential fluctuation degree and (b) TIPL FWHM dependencies on .
Stokes shift and PL FWHM as functions of Cd content in films at room temperature. Close circle and solid line show Stokes shift. Open circle and dotted line show PL FWHM.
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