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(Color online) Schematic illustration of the nonpolar -plane GaN-based LED structure on (100).
(a) X-ray diffraction spectrum of MOCVD grown -plane GaN on (100) substrate. (b) PL from -plane GaN at . (c) The surface morphology of -plane GaN on .
The measured characteristics of -plane LEDs at room temperature. The inset shows the fitting results (line) with experimental data (open circles) using scale.
(a) EL spectra under different injection currents of -plane LEDs at room temperature. (b) The EL peak wavelength (triangle) and light output intensity (square) vs injection currents. The dash line is guide for the eyes and the solid lines are fitting results.
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