Optical and magneto-optical properties of zinc-oxide nanostructures grown by the low-temperature chemical route

M. Willander; H. Alnoor; A. Savoyant; Rania E. Adam; O. Nur

doi:10.1117/12.2288970

23 February 2018 Optical and magneto-optical properties of zinc-oxide nanostructures grown by the low-temperature chemical route

M. Willander, H. Alnoor, A. Savoyant, Rania E. Adam, O. Nur

Author Affiliations +

Proceedings Volume 10533, Oxide-based Materials and Devices IX; 105331D (2018) https://doi.org/10.1117/12.2288970
Event: SPIE OPTO, 2018, San Francisco, California, United States

Abstract

We demonstrate that the low temperature synthesis chemical route can be utilized to control the functionality of zinc oxide (ZnO) nanoparticles (NPs) and nanorods (NRs) for optical and magneto-optical performance. Different structural, optical, electro- and magneto-optical results will be displayed and analyzed. In the first part, we show how high quality ZnO NPs can be efficient for photodegradation using ultra-violet radiation. In the second part we will present our recent results on the control of the core defects in cobalt doped ZnO NR. Here and by using electron paramagnetic resonance (EPR) measurements, the substitution of Co²⁺ ions in the ZnO NRs crystal is shown. The relation between the incorporation and core defects concentration will be discussed. The findings give access to the magnetic anisotropy of ZnO NRs grown by the low temperature chemical route and can lead to demonstrate room temperature ferromagnetism in nanostructures with potential for different device applications.

Citation Download Citation

M. Willander, H. Alnoor, A. Savoyant, Rania E. Adam, and O. Nur "Optical and magneto-optical properties of zinc-oxide nanostructures grown by the low-temperature chemical route", Proc. SPIE 10533, Oxide-based Materials and Devices IX, 105331D (23 February 2018); https://doi.org/10.1117/12.2288970

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