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The cross-section HRTEM image of Si-rich SiNx film.
(Color online) The C-V plot (upper) of SiNx LED with (black curve with square) and without (red curve with circle) buried Si-QD and the calculated area density of storage charge (lower), and the inset band diagram of SiNx LED with buried Si-QDs.
(Color online) V-I and P-I diagnosis of SiNx LED with inset EL emission pattern and EL spectrum.
(Color online) Retention time of electrons and holes for SiNx LEDs. Inset: the schematic diagram for the time-resolved C-t diagnosis.
(Color online) The oscilloscope trace of the time-resolved EL response of SiNx LED biased at 6 μA. Inset: the trailing edge responses of same device at different biased currents.
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