Study on Cerium Doped Flower-Like ZnO Microcrystaline Preparation and its Microwave Absorbing Properties

Zhi Feng Wang; Yan Hui Zhang; Jie Mao; Jian Zhong Wang

doi:10.4028/www.scientific.net/AMR.834-836.12

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 834-836Study on Cerium Doped Flower-Like ZnO...

Study on Cerium Doped Flower-Like ZnO Microcrystaline Preparation and its Microwave Absorbing Properties

Abstract:

Hydrothermal method was used to prepare Ce doped ZnO. Effects of doping ratio, reaction time, reaction temperature, filling degree on the flower-like morphology of ZnO were studied. And the phase, morphology and size of the products were characterized by XRD and SEM. The vector network analyzer was used to characterize the products electromagnetic performance. The results show that, Ce is successfully doped into the lattice of ZnO. The products maintain perfect flower-like structure when Ce:ZnO (molar ratio) is 0.5%. However, the flower-like morphology is damaged more and more obviously with the doped concentration increasing. The crystal growth rate accelerates with reaction temperature increasing. Microwave absorbing properties of ZnO can be improved greatly by doping Ce. The reflection loss is more than 10dB when the frequency between 9.8 GHz and 11.6GHz.

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Periodical:

Advanced Materials Research (Volumes 834-836)

Pages:

12-17

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.834-836.12

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Online since:

October 2013

Authors:

Zhi Feng Wang*, Yan Hui Zhang, Jie Mao, Jian Zhong Wang

Keywords:

Absorbing Properties, Ce Doped, Flower-Like Zinc Oxide, Hydrothermal

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