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The nanohole-arrayed MnZn ferrite on the PAA/GaN/sapphire multilayer films was investigated for understanding the relation of the superparamagnetic with the photoluminescence. The nanohole MnZn ferrite film acts as a role of lowering superparamagnetic magnetization, and gives a way to excite the energy-exchanged yellow emission, especially at the presence of the sandwiched GaN layer. Without the GaN...
The optical behavior of nanoporous alumina anodic oxide thin film (AAOF) on sapphires can be modulated with varying the nanopore diameters. The excited photoluminescence spectrum splits into two wavelengths of near blue and green peaks. This light modulation could relate to the superparamagnetic magnetization of the patterns upon in nanoscale. With increasing the nanopore size by reaming method, the...
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