D.A. Magdas, D. Maestre, A. Cremades, L. Gregoratti, J. Piqueras
a b s t r a c tIn this work sintered thick microcrystalline films as well as micro and nanostructures of In 2 O 3 have been studied. The results obtained by XPS microscopy show that the boundary regions of the microcrystalline films present a higher amount of oxygen, as well as a different O (1s) core level XPS spectrum with respect to the grains. CL images recorded at room temperature show that the emission is preferentially associated with the grain boundaries and the main emission band appeared at 1.9 eV i…
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