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AFM images of InN dots with different heights: (a) , (b) , (c) , (d) , and (e) .
The PL spectra measured at for InN bulk and InN dots with different heights: (a) , (b) , (c) , (d) , and (e) . The insert shows the peak energy as a function of dot height. The solid line (dotted line) is calculated by effective mass approximation using as electron effective mass.
The temperature dependence of the PL peak energy for the InN bulk and the InN dots with average height of .
Arrhenius plots of the integrated PL intensities for the InN bulk and InN dots.
The quantitative structural properties and emission energies of InN dots and bulk samples.
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